What is the prime factorization of 128 and 104?

Answer 1

The factors of 104 are: 1, 2, 4, 8, 13, 26, 52, 104

The factors of 128 are: 1, 2, 4, 8, 16, 32, 64, 128

The common factors are: 1, 2, 4, 8

The Greatest Common Factor: 8

Answer 2

2 x 2 x 2 x 2 x 2 x 2 x 2 (or 27) = 128

2 x 2 x 2 x 13 (or 23 x 131) = 104