Question

The greatest common factor (GCF) of 12 and 20 is

Choose:

2
4
5
6

Please help!

Answer 1

2 and 4

Explanation:

Answer 2

4

Explanation:

4 x 3 = 12

4 x 5 = 20

2 x 6 = 12

2 x 10 = 20

(4 is greater than 2 though)

5 x ? = 12

5 x 4 = 10

6 x 2 = 12

6 x ? = 20