answersLogoWhite

0


Best Answer

31 is prime.

User Avatar

Wiki User

โˆ™ 2015-11-16 02:52:29
This answer is:
๐Ÿ™
0
๐Ÿคจ
0
๐Ÿ˜ฎ
0
User Avatar
Study guides

Factoring and Multiples

21 cards

What is the prime factorization of 24

What is the prime factorization of 54

What is the prime factorization of 64

What is the prime factorization of 34

โžก๏ธ
See all cards
4.83
โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…โ˜†โ˜…
6 Reviews

Add your answer:

Earn +20 pts
Q: What number is a prime number 91 51 31 21?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

Which of 21 31 51 and 91 is a prime number?

31 is a prime number.


Which number is a prime number 91 or 51 or 31 or 21?

31


Which number is a prime 91 51 31 or 21?

31


Which is a prime number 91 51 31 21?

31


Which number is prime 91 51 31 21?

31


What is a prime number 91 51 31 21?

31 is the only one that has only two factors: 1 and itself. It is the prime number.


Which is not a prime number 17 23 31 or 51?

51 is not a prime number: 3x17=51


What is a prime number 17 23 31 51?

51 is composite number


Which number is prime out of 91 51 31 21?

21 is divisible by 3 and 7, so it is composite. 91 is divisible by 7 and 13, so it is composite. 51 is divisible by 3 and 17. 31 is divisible by only 1 and itself, so it is the prime number.


Are 31 and 51 prime numbers?

31 is prime, but 51 is not as 51=3*17.


Which number is a composite number 51 41 31 11?

51 is composite.


Which number is a prime number a.91 b.51 c.31 d. 21?

91 = 13*751 = 17*321 = 3*731 is prime. â– 


Which is not a prime number between 17 23 31 and 51?

51 = 3 x 17


Is 31 and 51 prime or composite numbers?

31 is a prime 51 = 3 x 17


What is the prime factorization for 30 in exponential form?

30 = 21 x 31 x 51


Is 51 a prime?

No, 51 is not a prime number. A prime number is a number that has only itself and 1 as a factor. 51's factors are 1,3,17, and 51.


What is the LCM of 16 14 12 10 8 and 6?

Dissolving into prime divisors we get 16 = 24 14 = 21 * 71 12 = 22 * 31 10 = 21 * 51 8 = 23 6 = 21 * 31 Taking the greatest exponents for each prime, we get lcm(16,14,12,10,8,6) = 24 * 31 * 51 * 71 = 1680


What is the next prime number after 51?

the next prime number after 51 is 60 :)


Is 47 a prime number or 51 a prime number?

47, yes. 51, no.


Are 51 and 61 prime?

51 is a composite number but 61 is a prime number


Which of the following is not a prime number 51 31 23 17?

It is: 51 because it has more than two factors and so therefore it is a composite number


What is the prime factorization in exponent form for the number 90?

It is: 21*32*51 = 90


Which of the numbers 31 41 51 and 61 is a composite number?

51 is composite. 51 = 3 x 17. The other three numbers are prime numbers.


Is 51 prime why?

51 is not a prime number. It is divisible by 3.


Is 51 a prime or composite or prime number?

51 is composite.