The prime factorization of 39 is 3 and 13. As 39 is an odd number, we can begin looking for prime factors with 3 instead of 2, Factors of 39 is 1, 3, 13, 39.25.
2. Prime factors of 56
So the prime factorization of 56 is 2 × 2 × 2 × 7.
Thus, The factors of 56 by prime factorization are 1, 2, 4, 7, 8, 14, 28, and 56.
Answers & Comments
1., 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37
2., 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53,
1. Prime factors of 39
2. Prime factors of 56
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