Question

The GCF of 20 and 88 is

Answer 1

We can find the GCF by using the factorization method.

The factors of 20 are:

$1,2,4,5,10,20$

The factors of 88 are:

$1,2,4,8,11,22,44,88$

The common factors are 1, 2, and 4.

Therefore, the greatest common factor, GCF, of 20 and 88 is 4.