Question

What whole numbers are factors of both 20 and 30?

Answer 1

Answer: 1, 2, 5, 10

Explanation:

1 x 30 = 30

1 x 20 = 20

2 x 15 = 30

2 x 10 = 20

5 x 6 = 30

5 x 4 = 20

10 x 3 = 30

10 x 2 = 20