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15 prime factorization

What is the prime factorization of 15?

Find the prime factorization of 15

15 is divisible by 5:

15 ÷ 5 = 3

Both 3 and 5 are prime numbers.

See Prime numbers 1 through 20.

Therefore, the prime factorization of 15 is

15 = 3 * 5

So, the prime factors of 15 are

3, 5