4 Prime Factorization

4 prime factorization provides more information on if 4 is a prime number, what are all the prime factors of 4. The given integer 4 is a composite number since it has more factors than 1 and the number itself. In other words, 4 is divisible by more factors than 1 and the number itself.

Prime factors of 4
4 = (?)
4 = 2 x 2

Hence,
{2, 2} are the prime factors of 4.
The product of factors {2, 2} form the given positive integer 4.