
Math
Which of the following is a prime #? a.2 b.19 c.37 d.51 e.67 I choose 2. But the book answer is 51. The book says:( 2,19,37, and 67 are prime #'s) 3x17=51, so it is not prime. I forgot what prime #'s mean that's why I choose anything like 2. help me. A
asked by Mack on August 9, 2007 
Math
A positive integer n is defined as a "prime interlude" if n1 and n+1 are both prime numbers. Which of the following is not a "prime interlude?" a.4 b.18 c.30 d.72 e.90 ( First of all; What is a "prime interlude??") I don't understand the question and
asked by Mack on August 10, 2007 
Math
) Form a conjunction from the following two statements and determine if the conjunction is true or false. Explain. Two is an even number. Two is a prime number. A) Two is an even number or two is a prime number.; False B) Two is an even number and two is a
asked by Anonymous on October 20, 2009 
PROBLEM SOLVING IN MATHEMATICS
there are two prime numbers between 100 and 199 such that the ten digits is a prime number, the ones digit is a prime number and the tens and ones digits taken together are a 2 digit prime number. find the sum of these 2 prime number.
asked by alya on October 6, 2011 
Data Structure and Algorithms in Java
A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. On the other hand, a composite number is a natural number greater than 1 that is not a prime number. For example, 5 is prime, as only 1 and 5 divide
asked by ahmad on March 31, 2017 
Math
Plz help don't know how to do this question. Write number 68 as a product of prime factors. Try to do prime factorazation. start dividing by 2 68 34 2 17 2*2 Can you go any further? Are all these prime? prime factorization of 34 98
asked by Maya on November 7, 2006 
Math
The number p is the product of three different positive prime numbers greater than 2.If the sum of these three prime number is also prime, what is the smallest possible value for p? Won't the 3 number be 3511? Thanks
asked by Shadow on May 21, 2014 
math
The Florida Lottery is made up of the numbers 149. My mother has observed that the winning numbers many times are prime numbers. 1.List the prime numbers from 149: 2.What is the probability of a prime number being picked randomly from the numbers 149?
asked by Anonymous on January 18, 2010 
math
The Florida Lottery is made up of the numbers 149. My mother has observed that the winning numbers many times are prime numbers. 1.List the prime numbers from 149: 2.What is the probability of a prime number being picked randomly from the numbers 149?
asked by Anonymous on January 18, 2010 
MATH!
The sum of two prime numbers is the prime number 89,563. Find the smaller of the two addends. I attempted the problem but I'm not sure if it is right. 89,561 is a prime number and so is 2. So is the answer 2?
asked by Lee on May 6, 2011 
math
the florida lottery is made up of the number 149. my mother observed that the winning numbers many times are prim numbers. a. list the prime numbers from 149 b. what is the probability of a prime number being picked randomly from the numbers 149? c. is
asked by ssmomo on February 1, 2010 
math
Can someone help me with prime and composite numbers? Prime numbers are counting numbers that can be divided evenly bt only two numbers:1 and themselves. A prime number can also be described as a counting number with exactly two factors, 1 and itself. So,
asked by haylo on October 24, 2006 
Math
What prime number am I? • I have three prime factors • each prime factor is a different number • I am a multiple of 10 • I am less than 50 Please help answer this question??
asked by Punch on October 7, 2016 
Math
All numbers in our real number system are the product of prime numbers. Complete the following steps for this discussion: 1. List the ages of two people in your life, one older than you and one younger than you. It would be best if the younger person was
asked by Tammy on March 28, 2013 
Math
1.) Is it possible for a composite number to have more than one prime factorization? Is it possible for a number to have no prime factors? Why? 2.) Give an example of how prime factorization could be used in the real world. Thank you to anyone that takes
asked by Emma on October 4, 2017 
Math
What is my number? 1.My number is a perfect square 2.The only prime number in it's prime factorization is 2 3.My number is a factor of 32 4. The sum of it's digits is odd.
asked by Lily on January 11, 2017 
math
number is greater than 50 and less than 100. you can make exactly 5 different rectangles with a mystery numbers of tiles. its prime factorization consists of only one prime number. whats my number
asked by Anonymous on January 24, 2011 
Math
Is it possible for a composite number to have more than one prime factorization? Is it possible for a number to have no prime factors? Why? Give an example of how prime factorization could be used in the real world.
asked by Young Lil G on September 4, 2017 
Math
1. Is it possible for a composite number to have more than one prime factorization? 2. Is it possible for a number to have no prime factors? Why? 3. Give an example of how prime factorization could be used in the real world
asked by Ali on January 14, 2016 
Math
What prime number am I? I have 3 prime factors Each prime factor is a different number I am a multiple of 10 I am less than 50
asked by Matt on October 6, 2016 
IB HL Math
I need to that if there is better way to prove the following: I am trying to prove that x r = k and k is a multiple of x only when x is prime. I said that if x is nonprime, then: Let a = 6 Let r = 4 6! (6 – 4)! 4! = 3(2) x 5 x 4! (2!) 4! = 15 It is not
asked by Asad on March 14, 2009 
Math
If a composite number has the first five prime numbers as factors, what is the smallest number it could be? Write that number's prime factorization.
asked by Sue on September 24, 2009 
math
the sum of the digits of a two digit prime number is substracted from the number. prove that the difference cannot be a prime number.
asked by mima on April 12, 2012 
math
a mystery number is bigger than 50 and larger than 100. you can make exactly five different rectangles with the mystery number of tiles. its prime factorization consists of only one prime number. what is the number
asked by tom on November 15, 2012 
Math
There are 13 flavbors at a local ice cream parlor. Is the number 13 a prime number or a composite number? If it is composite, write the number as the product of prime numbers
asked by Sai on August 10, 2010 
math
a mystery number is bigger than 50 and larger than 100. you can make exactly five different rectangles with the mystery number of tiles. its prime factorization consists of only one prime number. what is the number
asked by tom on November 15, 2012 
math
You can use the prime factorization of a number, written as the product of powers of prime numbers, to find the number of factors the number has. First, express the number as a product of powers of prime numbers; for example, 36=2^2 3^2 (that is 2 squared
asked by m on October 15, 2010 
math
You can use the prime factorization of a number, written as the product of powers of prime numbers, to find the number of factors the number has. First, express the number as a product of powers of prime numbers; for example, 36=2 to power 2 3 to power 3
asked by thomas on June 23, 2009 
math
You can use the prime factorization of a number, written as the product of powers of prime numbers, to find the number of factors the number has. First, express the number as a product of powers of prime numbers; for example, 36=2 to power 2 3 to power 3
asked by thomas on June 23, 2009 
Math
Q. The coach of a baseball team separates the players into groups for the drills. Each group has the same number of players. Is the total number of players prime or composite, explain.  A. They really don't say the number in the book, but i would have to
asked by Lilly on October 7, 2015 
Math
Let n = c x p, where p is a prime number, and c is a composite number less than p. The number c has three unique prime factors. How many unique prime factor does n^2 have?
asked by Anne on July 2, 2014 
math
Part 1:Is it possible for a composite number to have more than one prime factorization? Is it possible for a number to have no prime factors? Why? I think it is possible for a composite to have more then one prime factorization Part 2: Give an example of
asked by Luna on September 11, 2017 
maths
4x+3y=21 What is your question? You have simply stated the equation of a straight line. what is a prime factorazation?> expressing a number in terms of its Prime factors eg. 126 = 2*3*3*7 all the factors are prime numbers How does this relate to the first
asked by abi on March 23, 2007 
Math Prime Numbers
Grade 7 question: I am a twodigit prime number I am one less than a multiple of 10 If you add 30 to me you get another prime number Who am I _________?
asked by Elena on September 9, 2008 
math
I am a prime number between 40 and 50. If you add one to me, the sum of the prime factors of that composite number is 11. What number am I?
asked by veronique on September 27, 2007 
Math
I am a prime number between 40 and 50. If you add one to me, the sum of the prime factors of that composite number is 11. What number am I?
asked by Kris on November 30, 2008 
Math
I am a prime number between 40 and 50. If you add one to me the sum of the prime factors of that composite number is 11. What number a I.
asked by Danielle on September 25, 2007 
math algebra
Jo needs to know which of the following cannot be a prime number whenever p is a prime number greater than 2001. A. p2 B. p+2 C. p+999 D. p+9990 Im stuck
asked by Ben on July 29, 2015 
math
my number is a multiple of 5, but doesnt end in 5, the prime factorization of my number is a string three numbers, two of the numbers in the prime factorization are the same, my number is bigger than the seventh square number
asked by Anonymous on October 6, 2010 
Math
The prime factorsof a number are the first four prime numbers. No factor is repeated. What is the number?
asked by Cons on October 16, 2017 
math
Jo needs to know which of the following cannot be a prime number whenever p is a prime number greater than 2001. A. p2 B. p+2 C. p+999 D. p+9990
asked by ben on July 29, 2015 
Math
What are 2 prime numbers between 100199 such that the tens digit is a prime number, the ones digit is a prime number, and the tens and ones digit taken together are 2 digit prime number.
asked by Anonymous on April 24, 2013 
Math (Complex Numbers)
Let N be the sum of all prime powers that can be written as 4^n+n^4 for some positive integer n. What are the last 3 digits of N? Details and assumptions: A prime power is a number of the form pk, where p is a prime and k is a positive integer. Examples:
asked by Mahler on May 9, 2013 
math
what is my number? Clue 1 My number is a multiple of 5,but it does not end in 5. Clue 2 The prime factorization of my number is a string of three numbers. Clue 3 Two of the numbers in the prime factorizations are the same. Clue 4 My number is greater than
asked by gary on September 13, 2010 
math
what is my number? Clue 1 My number is a perfect number. Clue 2 The only prime number in its prime factorization is 2. Clue 3 My number is a factor of 32. Clue 4 The sum of its digits is odd.
asked by Anonymous on November 28, 2015 
Math
What is my number? Clue 1. My number is a perfect square. Clue 2. The only prime number in its prime factorization is 2. Clue 3. My number is a factor of 32. Clue 4. The sum of its digits is odd.
asked by Claire on October 4, 2017 
Math
Marta is thinking of a number. The prime factorization of the number is the first eight primes, each used as a factor exactly one. Write the prime factorization and the number.
asked by Cons on June 21, 2017 
Math
What is the square of the least twodigit prime number? What is the least twodigit prime number? 11 how do i show that the polygons are similar by checking that corresponding angles have equal measures and corresponding sides are proportional? 10 11 So
asked by Christian on January 11, 2007 
Math
Alice wants to find all the prime factors of the number you get when you multiply 17•11•13•7. She thinks she has to use a calculator to pay Sam although multiplications and then find the prime factorization of the resulting number. Do you agree? Why
asked by Nerd1234 on January 10, 2016 
Algebra
Is there any prime number whose root is an integer? I meant to say Square Root Nevermind I figured it out. Good work. If a prime number by definition has no factors, ...
asked by Jess on June 26, 2007 
Math
1: Goldbach's Conjecture is a famous conjecture that has never been proven true or false. The conjecture states that every even number, except 2, can be written as the sum of two prime numbers. For example, 16 can be written as 5+11. 1 a: Write the first
asked by Jordan on October 9, 2017 
math
find 2 prime numbers that if multiplied would generate a 400 digit number I'm not sure what you want. 400 is a threedigit number, and 4000 is a fourdigit number. I don't think you want a "400 digit number." Assuming you want a number with a value over
asked by quita on November 29, 2006 
Math
A particular fraction has a prime number in the numerator and a different prime number in the denominator. Justify whether or not this fraction can be simplified and give reasons.
asked by Lan on April 30, 2018 
Math(Please check answers)
Factor completely. If the polynomial cannot be factored say it is prime. 1) 15x^3 + 19x^2 + 6x A) (3x^2 +2)(5x+3) B) x(3x+2)(5x+3) C) x^2(3x+2)(5x+3) D) x(5x+2)(3x+3) E) Prime I chose E) Prime. 2) 2x^2  14x  6x + 42 A) 2(x+7)(x+3) B) (x+7)(2x6) C)
asked by Hannah on September 9, 2010 
Math
Greta said that the product of two prime numbers must also be a prime number. Joan disagreed. Who is correct?
asked by KC on December 7, 2011 
Calculus
What is the largest two digit prime number whose digits are both prime numbers?
asked by Ashley on January 27, 2008 
math
What is the greatest prime number you must consider to test whether 5141 is prime?
asked by timothy on July 20, 2009 
Math
Are these prime number correct all the way up to 50 (1,3,5,7,11,13,17,22,23,25,27,31,33,35,37,41,43,45,47 ) What kind of tens are prime
asked by JJ on September 8, 2011 
maths
my number is less than 100 one more than a multiple of 3 one of its digits is prime if you reverse its digits you get a prime it has exactly four factors the sum of digits is prime if you miltiply it by 5 it is greater than 100
asked by ashley on February 19, 2014 
math
How do the ideas of divisibility and multiples relate to the study of fractions? Show that 1,078 and 3,315 are relatively prime. What is the shortest length of television cable that could be cut into either a whole number of 18ft pieces or a whole number
asked by anonymous on February 18, 2011 
Geometry Help
Triangles DEF and D'E'F' are shown on the coordinate plane below: Triangle DEF and triangle D prime E prime F prime with ordered pairs at D negative 1, 6, at E 1, 3, at F 6, 3, at D prime 6, 1, at E prime 3, negative 1, at F prime 3, negative 6. What
asked by Oscar on October 30, 2016 
maths
Find the sum of the smallest 2 digit prime number and the largest 2 digit prime number.
asked by ssssss on March 31, 2012 
Math
What is my number? Clue 1. My number is a multiple of 5, but it does not end in 5. Clue 2. The prime factorization of my number is a string of three numbers. Clue 3. Two of the numbers in the prime factorization are the same. Clue 4. My number is greater
asked by Claire on October 4, 2017 
Math
What is my number? Clue 1: My number is a multiple of 5, but it does not end in 5. Clue 2: The prime factorization of my number is a string of three numbers. Clue 3: Two of the numbers in the prime factorization are the same. Clue 4: My number is bigger
asked by Ann on October 14, 2008 
Math
The question is this: You know that a number is divisible by 6 if it is divisible by both 3 and 2. So why isn't a number divisible by 8 if it is divisible by both 4 and 2? My answer is this: The only prime factors of 6 are 2 and 3. So, if a number is
asked by B.B. on June 23, 2009 
math
Which number between 29 and 39 has three different prime factors?What is the prime factorization of this number?
asked by Anonymous on August 14, 2013 
mathematics
Find the smallest prime number N such that the following is true: The largest prime factor of N−1 is A; The largest prime factor of A−1 is B; The largest prime factor of B−1 is 7.
asked by Sambaran G. on April 22, 2013 
Math
Find the smallest prime number N such that the following is true: The largest prime factor of N−1 is A; The largest prime factor of A−1 is B; The largest prime factor of B−1 is 7.
asked by Zeneth on April 25, 2013 
math
is there a way to do this problem or do i have to just guess and check. because by guessing and checking, i can't find the right answer Name a function with the following characteristics: note: f prime means the first deriviative f is continuous over the
asked by sammy on November 15, 2009 
math
is there a way to do this problem or do i have to just guess and check. because by guessing and checking, i can't find the right answer Name a function with the following characteristics: note: f prime means the first deriviative f is continuous over the
asked by sammy on November 15, 2009 
math last one help
sally drew a factor tree of a composite number and ended up with 4x4x5x5x3 as the prime factorization. explain what is wrong with this factorization 1. what is the correct prime factorization? 2. what is the composite number that was factored?
asked by daniel on August 30, 2013 
PRECALC
A number is selected at random from the set {2, 3, 4, … ,10}. Which event, by definition, covers the entire sample space of this experiment? A) The number is greater than 2. B) The number is not divisible by 5. C) The number is even or less than 12. D)
asked by Shawna on March 18, 2014 
math
Consider the given statements. 1. Every prime number is odd. 2. There are 8 prime numbers between 10 and 40. 3. There are 11 composite numbers between 0 and 20. 4. The number 4 is the smallest even composite number. Which two given statements are
asked by angela on July 15, 2014 
simplify fractions{someone help plz}
ok how do i simplify a fraction if there is no fraction. like for ex this is one of the problems i simplify to 1/2. my numerator is a prime number between 44 and 52 who am i? see i don't get it someone help plz There is only one prime number between 44 and
asked by breiona on February 22, 2007 
Math
What is a unit rate? what is the prime factorazation for 945? idk how to do this 10= 15= GCF= i need help with my prime factorization homework what is a prime factorazation i meed held on my homework how do u determine if the numbers are prime or composite
asked by Lindsey on December 12, 2006 
math(help)
please answer this one question because im clueless lol!!! A number is written with the following factorization:2exponet is 3 multiplied 4 multplied 5. is this factorization a prime factorization?please explain to me or why not?if its not correct,please
asked by matt on November 21, 2013 
Factoring and Prime
I am still having troulbe with these. Her is another one I am stuck on. I think the prime is getting me. Factor completely or state that it is prime x^2 + 9xy + 16y^2 The factors of 16 are: 16 x 1. 8 x 2. 4 x 4. None of these add together to give 9 so it
asked by Bekki on June 13, 2006 
math
97 is the largest prime less than 100. What is the largest prime factor of 97! (97 factorial)? (Reminder: The number n! is the product of the integers from 1 to n. For example, 5!=5*4*3*2*1= 120.)
asked by francis on April 19, 2016 
math
Consider the given statements. 1. Every prime number is odd. 2. There are 8 prime numbers between 10 and 40. 3. There are 11 composite numbers between 0 and 20. 4. The number 4 is the smallest even composite number.
asked by angela on July 15, 2014 
conjectures
I'm finishing my math 20 Pure. This is my last 20 course then i have 30's. Also I have to work a full time job so that I can live on my own with my boy. So it is tough but I'm doing alright. What about you? wow, okay i have no idea what all that is but
asked by Shay on February 25, 2007 
math
how would you calculate the largest prime number given a number x so for example say someone inputs 8 , the largest prime number is 7.
asked by sam on October 23, 2014 
Pre calc
Write the equation in standard ellipse form and graph. 34 x^2 24xy +41y^2 +41 y^2 25= 0. i got x= (4 x prime 3 y prime)/5 and y=(3x prime +4y prime)/5 but cant get the correct math when I plug that into the original equation. Also I need help finding
asked by Rebekah on May 5, 2013 
Math
The number is not less than 20. The number is not greater than 40. The number is not divisble by 2, 3, or 7.THe number is not a prime number. THe sum of the number's digits is not 8. What's the number?
asked by Grace on October 14, 2009 
math
The Twin Prime Conjecture, which has not been proven, argues that there are infinitely many pairs of primes of the form n and n+2. Such a pair is called a prime pair. Some examples of prime pairs are 5 and 7, 17 and 19, and 29 and 31. How many prime pairs
asked by Miep on February 18, 2012 
Math
a) Find all of the numbers between 1 and 1,000 that have 2 as their only prime factor. b) What is the next number after 1,000 that had 2 as its only prime fractor?
asked by Joe on October 4, 2017 
MATH HELP
What is the greatest prime to consider weather to test 1881 is prime. the greates prime to consider is?
asked by BECKY! on November 19, 2014 
math
What is the greatest prime to consider to test wheather 1579 is prime. What is the greastest prime?
asked by Michellle on November 18, 2014 
prime numbers
Which of these is a prime number? 407, 409, 411, or 413 409 how did you get that? Suppose you are given some number N. If x
asked by kim on April 19, 2007 
math
Circle the prime numbers in the following set of numbers. Show your work. 953, 1,427, 2,971 I can tell whether each number is prime but I am having a hard time with individual numbers
asked by Matthew on April 30, 2017 
lcm
find the least common mutlipe of 420 196 Break down each number into prime number factors 196 = 2*2*7*7 420 = 70*2*3 = 2*2*3*5*7 The least common multiple is the product of all prime factors that occur in both numbers 2*2*3*5*7*7 = 2940
asked by tayloir on April 23, 2007 
math
Let’s agree to say that a positive integer is primelike if it is not divisible by 2, 3, or 5. How many primelike positive integers are there less than 100? less than 1000? A positive integer is very primelike if it is not divisible by any prime less
asked by chicken on April 1, 2010 
MATH
Let’s agree to say that a positive integer is primelike if it is not divisible by 2, 3, or 5. How many primelike positive integers are there less than 100? less than 1000? A positive integer is very primelike if it is not divisible by any prime less
asked by David on April 2, 2010 
math
Is "67" a prime or composite number? 67 IS A PRIME NUMBER
asked by no name on November 2, 2006 
math
Which numbers between 40 and 49 have 2 and 3 in their prime factorization?Use exponents to write the prime factorization of each number.
asked by Anonymous on August 15, 2013 
math
A number m is formed by writing all the prime numbers between 0 and 10 in an ascending order. Another number n is formed by writing all the square numbers between 0 and 10 in a descending order. (a) Find m  n; (b) Express (m  n) as a product of its prime
asked by kd on October 31, 2018 
math please
what exactly is a prime factor would x5 x+5 and x2+25 all be prime factors of x4625? Yes, I believe those would be the prime factors. x^4  625 can be factored into (x^2 25)(x^2 + 25) and once again into (x5)(x+5)(x^2 + 25) That is what you have done.
asked by anonymous on November 30, 2006 
math
Hello, and thank you in advance for your help! I'm writing on behalf of my daughter in 6th grade, who was crying last night about a project that's due tomorrow (Wednesday). For Math, she's supposed to choose her favorite number (16) and create a "project"
asked by Deb on September 25, 2007 
Math
A number is written with the following factorization: 2^2 × 3 × 5^4 × 8 × 11^2 . Is this factorization a prime factorization? Explain why or why not. If it is not correct, give the correct prime factorization of the number. I really need help, I'm
asked by Ace on December 5, 2018 
science
how is the equator similar to the prime meridian A. both the prime meridian and equator are lines that divide earth into norther and southern hemispheres B. both the prime meridian and equator are imaginary base lines from which locations of earth can be
asked by mary on May 14, 2014 
matlab
Im trying to figure out how to write a program that finds prime factors of a number. I have the following but it only works for the number 12 for some reason. % this program will determine if an integer is prime and determine % its prime factors function
asked by tom on November 21, 2016