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140 prime factorization

What is the prime factorization of 140?

Find the prime factorization of 140

140 is divisible by 10:

140 ÷ 10 = 14

See Divisibility criteria for 10.

Neither 10 nor 14 are prime numbers.

See Prime numbers 1 through 20.

The prime factorization of 10 is

10 = 2 * 5

See 10 prime factorization.

The prime factorization of 14 is

14 = 2 * 7

Therefore, the prime factorization of 140 is

140 =
2 * 2 * 5 * 7

The prime factorization of 140 using exponents

140 = 22 * 5 * 7

So, the prime factors of 140 are

2, 2, 5, 7