Why is 6 not the greatest common factor of 36 and 48?

Answer 1

6 is not the greatest common factor of 36 and 48.

Factors of 36: 1, 2, 3, 4, 6, 9, 12, 18, and 36.

Factors of 48: 1, 2, 3, 4, 6, 8, 12, 16, 24, and 48.

Factors common to both 36 and 48: 1, 2, 3, 4, 6, and 12.

Greatest factor common to both 36 and 48 . . . 12

Answer 2

Because 12 is:

3*12 = 36

4*12 = 48