What is the greatest common factor of 24 and 36?

The greatest common factor of 24 and 36 is 12.

The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24

The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36

You also can easily find the GCF by multiplying the common prime factors

24 = 2 x 2 x 2 x 3

36 = 2 x 2 x 3 x 3

Common factors are 2 x 2 x 3 =12

The greatest common factor is 12
The GCF is 12.