answersLogoWhite

0


Best Answer

both are composite numbers 51 is divisible by 1,3,17,51

and 91 by 1,7,13,91

User Avatar

Wiki User

14y ago

Still curious? Ask our experts.

Chat with our AI personalities

MaxineMaxine
I respect you enough to keep it real.
Chat with Maxine
JudyJudy
Simplicity is my specialty.
Chat with Judy
BeauBeau
You're doing better than you think!
Chat with Beau

Add your answer:

Earn +20 pts
Q: Is 51 and 91 a prime number?
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 is a prime number 91 51 31 21?

31


Which number is prime 91 51 31 21?

31


Which number is a prime 91 51 31 or 21?

31


Why would 51 and 91 be mistaken for prime numbers?

A person unfamiliar with prime numbers could mistake 51, 91, or any other composite number for a prime number if the person did not factor the number to make sure it had no other factors then 1 and itself.


Is 41 51 71 81 91 a prime number?

No, 41, 51, 71, 81, and 91 are not prime numbers. A prime number is a natural number greater than 1 that cannot be formed by multiplying two smaller natural numbers. In this case, all the numbers listed can be divided by numbers other than 1 and themselves, making them composite numbers.


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

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


What number 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 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.


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.


Which of these numbers are prime number 51 51 61 49?

61 is a prime number. 49 is not a prime number as it is divisible by 7. 51 is not a prime number as it is divisible by 3.


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

51 is not a prime number: 3x17=51