Question

What’s the common factors of 45 and 15?

Answer 1

1, 3, 5, 15

Explanation:

Factors of 45: 1, 3, 5, 9, 15, 45

Factors of 15: 1, 3, 5, 15

The common factors are written in bold.

Answer: 1, 3, 5, 15