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40 prime factorization

What is the prime factorization of 40? Prime factorization of 40 using exponents.

Find the prime factorization of 40

40 is divisible by 10:

40 ÷ 10 = 4

See Divisibility criteria for 10.

Neither 4 nor 10 are prime numbers.

See Prime numbers 1 through 20.

The prime factorization of 4 is

4 = 2 * 2

The prime factorization of 10 is

10 = 2 * 5

See 10 prime factorization.

Therefore, the prime factorization of 40 is

40 =
2 * 2 * 2 * 5

The prime factorization of 40 using exponents

40 = 23 * 5

So, the prime factors of 40 are

2, 2, 2, 5