1. 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
  2. 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
  3. 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 6, 2015
  4. 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 9, 2010
  5. 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
  6. 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
  7. 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
  8. 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 29, 2013
  9. 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 23, 2009
  10. 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
  11. 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
  12. Math

    A positive integer n is defined as a "prime interlude" if n-1 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 9, 2007
  13. 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
  14. 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
  15. 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
  16. 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 24, 2007
  17. 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 26, 2007
  18. 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
  19. 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
  20. 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
  21. 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
  22. 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 3-5-11? Thanks

    asked by Shadow on May 21, 2014
  23. math

    The Florida Lottery is made up of the numbers 1-49. My mother has observed that the winning numbers many times are prime numbers. 1.List the prime numbers from 1-49: 2.What is the probability of a prime number being picked randomly from the numbers 1-49?

    asked by Anonymous on January 17, 2010
  24. math

    The Florida Lottery is made up of the numbers 1-49. My mother has observed that the winning numbers many times are prime numbers. 1.List the prime numbers from 1-49: 2.What is the probability of a prime number being picked randomly from the numbers 1-49?

    asked by Anonymous on January 17, 2010
  25. Math

    A number is written with the following factorization: 23 × 4 × 5. 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 don't think its prime because 160 (its

    asked by squid on December 10, 2019
  26. 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
  27. math

    the florida lottery is made up of the number 1-49. my mother observed that the winning numbers many times are prim numbers. a. list the prime numbers from 1-49 b. what is the probability of a prime number being picked randomly from the numbers 1-49? c. is

    asked by ssmomo on February 1, 2010
  28. Math

    Identify whether the number is prime or composite. If the number is composite, then identify the factors. 65 Prime Composite; 1,2,4, 7,8,14,28,56 Composite;1,2,4,6,7,8,9,14,28,56 Composite;1,2,14,56 I think it's b

    asked by Anonymous on November 9, 2018
  29. Math

    Identify whether the number is prime or composite. If the number is composite, then identify the factors. Number 41 A) Prime B) Composite; 1, 41 C) Composite; 1,3, 17, 41 D) Composite; 1,3,17,7,41 Please help thank you very much. *_*

    asked by Anonymous on November 9, 2018
  30. Math

    Identify whether the number is prime or composite. If the number is composite, then identify the factors. Number:93 A) Prime B) Composite; 1, 93 C) Composite; 1,3,9, 31, 93 D) Composite; 1,3,31,93 Will it be D?

    asked by Anonymous on November 9, 2018
  31. PRE-CALC

    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
  32. 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
  33. math

    The number 5 is A) prime B) composite C) neither prime nor composite D) both prime and composite

    asked by pietro on August 27, 2014
  34. java/programming Please Help Me!!

    Please help me, its emergency!!! i really don't know how to do please help me. The 10 numbers will be collected from the keypad using a loop. If the number entered is a prime number (Prime number is a number that is divisible by itself and by one only),

    asked by Help me please! on February 14, 2019
  35. 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
  36. 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
  37. 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 10, 2017
  38. Math

    Tickst number 1-15are placed in a hat ,2 Tickets Are drawn at random without replacement find the probability that both Numbers Are Greater then 9 B.) the First Number is Prime and the Second number is Composite?

    asked by Roman on May 17, 2016
  39. 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
  40. math

    Is "67" a prime or composite number? 67 IS A PRIME NUMBER

    asked by no name on November 2, 2006
  41. math

    which of these statements about prime and composite numbers is true? F)all prime numbers are odd. G)all prime numbers have three factors. H)all composite numbers are divisible by two. J)all composite numbers have more then two factors i thinks it (J) but

    asked by george on March 25, 2010
  42. math

    Cruz and his friend, Penny need to determine what numbers are prime and what numbers are composite for homework assignment. Cruz says that the number 5 is a composite number because it has the factors 2 and 2.5. Explain what is wrong with his reasoning

    asked by sai on August 5, 2010
  43. math

    What is the difference between the largest prime number less than 50 and the smallest composite number greater than 10?

    asked by fabianah on April 23, 2016
  44. Math

    What is the difference between the largest prime number less than 50 and the smallest composite number greater than 10? 35 36 37 38

    asked by Gibber on March 7, 2017
  45. Math

    Use division of find the factors of each number. Then write if the number is prime composite. 1) 5. 2) 20. 3) 26. 4) 31.

    asked by Anonymous on September 11, 2013
  46. 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 5, 2016
  47. 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 non-prime, 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
  48. math

    is 39 a prime or a composite number?

    asked by makeeda on January 9, 2010
  49. 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
  50. 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
  51. 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 14, 2012
  52. 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 14, 2012
  53. Math

    Mathematicians have been searching for a formula that yields prime numbers. One such formula was x2 - x+41. Select some numbers for x, substitute them in the formula,and see if prime numbers occur. Try to find a number for x that when substituted in the

    asked by Jean on December 17, 2010
  54. math

    is 2311 a prime or composite number?

    asked by Anonymous on February 24, 2011
  55. pre algebra

    12. State whether the number 97 is prime, composite, or neither.

    asked by Quinten on September 7, 2014
  56. 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
  57. 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 22, 2009
  58. 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 22, 2009
  59. 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
  60. Math Prime Numbers

    Grade 7 question: I am a two-digit 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 8, 2008
  61. 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. p-2 B. p+2 C. p+999 D. p+9990 Im stuck

    asked by Ben on July 29, 2015
  62. math

    Is 4,564,282 a prime or composite number?! Seriously, I have absolutely no idea!!!!!!

    asked by jess on September 26, 2012
  63. Math

    Identify the number 113 as either prime or composite. Show or explain why

    asked by Larry on October 4, 2009
  64. Math

    Identify the number 126 as either prime or composite. Show or explain why

    asked by Connor on October 4, 2009
  65. 5th grade math help

    my mommy and daddy cant explain explain what is wrong with the reasoning number 5 is a composite number because it has the factors 2 and 2.5 i know its a prime number but i cant explain the answer to the question above.

    asked by daniel on August 29, 2013
  66. Math

    I need to find a composite number whose factorization has seven prime numbers. Then I have to write it using exponents

    asked by Garrett on December 4, 2008
  67. 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
  68. math

    Jo needs to know which of the following cannot be a prime number whenever p is a prime number greater than 2001. A. p-2 B. p+2 C. p+999 D. p+9990

    asked by ben on July 29, 2015
  69. 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 15, 2017
  70. Math

    What are 2 prime numbers between 100-199 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 23, 2013
  71. Math please

    The HCF of the smallest composite number and the smallest prime number is 1.is this statement is true or false.give reason.please

    asked by Abhishek kumar sahi on August 4, 2011
  72. math

    Why is 25 a composite number?? Pleaseeeee help me!!!!!!!!!!!!!1 A. It is odd. B. It has more than two factors. C. All of its factors are prime numbers. D. It is not divisible by any number except one and itself. I PICKED b

    asked by angy on October 25, 2018
  73. math

    how is a prime number different from a composite number

    asked by Lilly on January 7, 2014
  74. math

    is the number 1 a prime or composite number?

    asked by martha on August 20, 2015
  75. math

    is 1 a composite number or a prime number?

    asked by Isabelle on September 13, 2009
  76. 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
  77. 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 12, 2010
  78. 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 27, 2015
  79. 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
  80. 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
  81. Math

    What is the square of the least two-digit prime number? What is the least two-digit 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
  82. 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
  83. java/programming

    Please help me, its emergency!!! The 10 numbers will be collected from the keypad using a loop. If the number entered is a prime only, that number will be added. How do I write a Java program to input 10 prime numbers and print the sum?

    asked by Anonymous on February 14, 2019
  84. 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
  85. 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
  86. math

    find 2 prime numbers that if multiplied would generate a 400 digit number I'm not sure what you want. 400 is a three-digit number, and 4000 is a four-digit 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
  87. Math

    Anjolie has 40 stickers. She arranges them in an array on a page in her album. What are the possible arrays she can make? Is 40 prime or composite number?

    asked by Flor on June 19, 2017
  88. Math

    The numbers 1-10 are placed on cards, and the cards are put in a hat. If two cards are drawn, in order, without replacement, what is the probability that a. both are composite? b. one number is even and the other is odd? c. one number is even and the other

    asked by Nicole on February 5, 2010
  89. 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 29, 2018
  90. 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)(2x-6) C)

    asked by Hannah on September 9, 2010
  91. 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 6, 2011
  92. math

    Find HCF of the smallest prime number and smallest composite number

    asked by gur on June 30, 2017
  93. Calculus

    What is the largest two digit prime number whose digits are both prime numbers?

    asked by Ashley on January 26, 2008
  94. Math

    10. To find LCD by prime numbers, you should A. continue division until no prime number will divide into at least three numbers. B. take numerators and arrange in a row. C. divide numerators by the highest prime number. D. first take denominators and

    asked by Diana on July 28, 2019
  95. Maths

    the 2nd multiple of two numbers is 44 and one of the number is a prime number.find the (1) L. C. M of the number (2) the prime numbers (3) the other number?

    asked by Robotic on August 8, 2019
  96. 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 7, 2011
  97. math

    What is the greatest prime number you must consider to test whether 5141 is prime?

    asked by timothy on July 20, 2009
  98. 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
  99. 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 18-ft pieces or a whole number

    asked by anonymous on February 17, 2011
  100. 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