What is the greatest common factor of 66 30 60 48?

Answer 1

The prime factors for 66, 30, 60, and 48 are:

66 = 2 x 3 x 11

30 = 2 x 3 x 5

60 = 2 x 2 x 3 x 5

48 = 2 x 2 x 2 x 2 x 3

The factors that all numbers have in common are 2 x 3, so 6 is the GCF of 66, 30, 60, and 48.

Answer 2

The GCF is 6.