15 Prime Factorization

15 prime factorization provides more information on if 15 is a prime number, what are all the prime factors of 15. The given integer 15 is a composite number since it has more factors than 1 and the number itself. In other words, 15 is divisible by more factors than 1 and the number itself.

Prime factors of 15
15 = (?)
15 = 3 x 5

Hence,
{3, 5} are the prime factors of 15.
The product of factors {3, 5} form the given positive integer 15.