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28 prime factorization

What is 28 prime factorization?

Find the prime factorization of 28

28 is divisible by 4:

28 ÷ 4 = 7

7 is a prime number.

4 is not a prime number.

See Prime numbers 1 through 20.

The prime factorization of 4 is

4 = 2 * 2

2 is a prime number.

Therefore, the prime factorization of 28 is

28 = 2 * 2 * 7

The prime factorization of 28 using exponents

28 = 22 * 7

So, the prime factors of 28 are

2, 2, 7