18 Prime Factorization

18 prime factorization provides more information on if 18 is a prime number, what are all the prime factors of 18. The given integer 18 is a composite number since it has more factors than 1 and the number itself. In other words, 18 is divisible by more factors than 1 and the number itself.

Prime factors of 18
18 = (?)
18 = 2 x 3 x 3

Hence,
{2, 3, 3} are the prime factors of 18.
The product of factors {2, 3, 3} form the given positive integer 18.