13 and 67 are 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.
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.
51 is not a prime number: 3x17=51
the next prime number after 51 is 60 :)
47, yes. 51, no.
51 is a composite number but 61 is a prime number
ANSWER: 61 is a prime number but 51 is a composite number.61 is a prime number because the factors of 61 are 1 and itself (61).51 is a composite number because the factors of 51 other 1 and itself (51) are 3 and 17.
No, it is not a prime number. It has factors of: 1, 3, 17, 51.
51 = 3x17
51 is not a prime number, since it has more than two factors.
Prime.
No, 51 and 53 are not twin primes. Twin primes are a pair of prime numbers that have a difference of 2 between them. In this case, 53 is a prime number, but 51 is not a prime number as it can be divided by 3. Twin primes examples include 3 and 5, 11 and 13, and 17 and 19.