Question

What are the greatest common factor for 45 and 60

Answer 1

To find the Greatest Common Factor of 45 and 60, we do the following:

Find the Factors of 45 & 60.
45: 1, 3, 5, 9, 15, 45
60: 1, 2, 3, 4, 5, 6,10, 12, 15, 20, 30, 60

As you can see, 15 is the greatest common factor.