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Prime Numbers
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Questions (545)
Which of the following numbers is a prime number?
(1 point) 10 27 39 47
10 answers
asked by
17 lessons behind
38 views
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
3 answers
asked by
ahmad
1,400 views
Tell which number is prime: 19, 28, 49, 63.
A.63*** B.49 C.28 D.19
14 answers
asked by
Lyn
2,784 views
An odd number is less than 160 and has exactly three defferent prime factors. What is the number? Explain your reasoning.
???
12 answers
asked by
Kaitlyn
2,943 views
A number is picked from the set p:{2,3,4,5,___9} find the probability that the number is prime.
3 answers
asked by
value
790 views
Tell which number is prime: 15, 23, 45, 51.
7 answers
asked by
Avenger
3,184 views
Find the total number of one,two and three-digit prime numbers that can be formed using the digits 2,3,5 and 7,No digit is to be
10 answers
asked by
SupremeEgg67
1,889 views
Tell which number is prime: 35, 69, 89, 90.
A. 90 B. 89 C. 69~ D. 35
18 answers
asked by
Kim Namjoon
2,835 views
What is my number?
clue 1. my number is a multiple of 2 and 7 clue 2. My number is less than 100 but larger than 50. clue 3. My
7 answers
asked by
arochimero
3,855 views
A number that is neither prime nor the sum of two distinct primes?
5 answers
asked by
Matt
821 views
the "roundness of an integer greater than 1 is the sum of the exponenys of the prime number. for example, 20= 2to the squared
9 answers
asked by
shauna
2,484 views
1. If n is a whole number, then n2+n+11 is a prime number.
5 answers
asked by
ela
2,188 views
What is the two numbers greater than 40 that have 2 and 3 as their only prime factors?
7 answers
asked by
Plakala
5,748 views
Tell which number is prime 15 23 45 51
A.45 B.23 C.15 D.51
5 answers
asked by
Spiderman
1,246 views
Greta said that the product of two prime numbers must also be a prime number. Joan disagreed. Who is correct?
7 answers
asked by
KC
3,695 views
I am a prime number less than 100. My digits add to 13. What number am I?
4 answers
asked by
Emma
2,349 views
Sis the set of prime numbers that are less than 15.
My answer is 2,3,5,7,11, and 13
17 answers
asked by
Paula
8,986 views
Choose the correct solution in roster form.
S is the set of prime numbers that are less than 15. {2, 3, 5, 7, 11, 13} {2, 3, 5,
7 answers
asked by
Connexus Academy student
4,636 views
Find all the numbers between 1 and 1000 that have 2 their only prime factor?
I can't do it alone some help me!!!!!!!!!!!
4 answers
asked by
kim
996 views
97 is the largest prime less than 100. What is the largest prime factor of 97! (97 factorial)? (Reminder: The number n! is the
7 answers
asked by
francis
2,598 views
The number 9990 can be written as the product of 5 an equal positive integers are greater than 1 what is the largest possible
4 answers
asked by
Peter
721 views
The product of the first ten prime numbers must be divisible by:
F. 16 G. 18 H. 20 J. 22 K. 24 Please provide detailed
4 answers
asked by
ER
2,277 views
For how many two-digit prime numbers is the sum of its digits 8?
7 answers
asked by
Jack
3,298 views
I am a number between 70-90 my tens digit is two less than my ones digit I am a
prime number what am I
4 answers
asked by
Noel Sanchez
82 views
The sum of my ones and tens digit is 10. My tens digit is greater than my ones digit. I am a prime number. What number am I?
4 answers
asked by
Mark
2,353 views
Can a whole number ending in 8 be prime?
4 answers
asked by
deb
961 views
The sum of my ones digit and tens digit is 10. However, my ones digit is greater than my tens digit , I am a prime number less
4 answers
asked by
Aleena
1,327 views
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
5 answers
asked by
Elena
975 views
The difference between two prime numbers is 1985. The larger of these two prime numbers is
A. 2431 B. 2002 C. 1987 D. 1986
4 answers
asked by
Kitty
815 views
The LCM of two numbers is 51. Both numbers are greater than 1 and both numbers are prime. What are the two numbers?
5 answers
asked by
sam
566 views
1. Determine the number greater than 70 but less than 85 that is divisible by both 2 and 9.(1 point)
Responses 84 84 81 81 78 78
5 answers
asked by
HannJisung
217 views
The prime factors of a number are the first four prime numbers. No factor is repeated. What is the number?
4 answers
asked by
Jason
526 views
can a prime number be a multiple of any other number except itself? Explain why or why not.
2 answers
asked by
lia
1,218 views
I am a number between 30 and 60 . My ones digit is three less than my tens digit . I am a prime number . What number am I ?
4 answers
asked by
Amanda
2,420 views
what are two prime numbers that if added together equal 23?
4 answers
asked by
dawn
722 views
How many sets of 3 primes sum to 20?
4 answers
asked by
Ryan
1,729 views
The digits 1,2,3,4,5,6,7,8,9 are used to form four two-digit prime numbers, with each digit used exactly once. What is the sum
3 answers
asked by
ooooookkkkkk
766 views
I am a prime number. I am less than 40. I am 1 more than a multiple of 5. What number am I?
I am a 2 digit number. My ones digit
4 answers
asked by
Nikki
729 views
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
3 answers
asked by
veronique
530 views
Is it true that all 2 digit prime numbers have a ones digit of 1,3,7 or 9 pls
4 answers
asked by
Mataiya
270 views
What is the greatest prime you must consider to test whether 868 is​ prime
4 answers
asked by
annslee
419 views
For a prime number greater than 5, what can the last digit be
? Explain your answer.
4 answers
asked by
Your Boss
2,578 views
Find the sum of the first three prime numbers that end with a 9
4 answers
asked by
Hammaad
914 views
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
3 answers
asked by
Joe
527 views
A) How many of the three digit numbers can be made from all of the digits, 1,3 and 7, and used only one each,are prime?
B) What
3 answers
asked by
Kajol
386 views
A prime number less than 100 is selected randomly. What is the probability that its square has units digit 7?
3 answers
asked by
Mr. Alexander
857 views
For how many different positive integers n will n, n+2, and n+4 represent three different prime numbers?
A. none B. 1 C. 2 D. 3
3 answers
asked by
George
1,840 views
every number greater than 2 can be written as the sum of two prime numbers.
22=3+19 or 22=11+11 write the even number from 80 to
3 answers
asked by
Anonymous
642 views
please help me on this riddle : im a 2 digit whole number between 30 and 80 . my tens digit is one more than my ones digit. im a
4 answers
asked by
Leslie
1,254 views
The first- floor apartments in Jenna's building are numbered 100 to 110. How many apartments on that floor are a prime number?
4 answers
asked by
Shion
789 views
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Parent Categories (20)
Algorithms
Arithmetic
Factors
Factors and Multiples
Fractions
Math
Mathematics
Number Classification
Number Factorization
Number factors
Number Operations
Number Patterns
Number Properties
Number Theory
Numbers
Numbers and Operations
Probability
Probability and Statistics
Probability Theory
Whole Numbers