Question

What us the greatest common factor of 27 and 36?

Answer 1

Hello!

To find the greatest common factor, you must find all the factors of both numbers and see which similar one is the greatest.

27: (1,27) (3,9)
36: (1,36) (2,18) (3,12) (4,9) (6,6)

As you can see the, the greatest common factor is 9.

I hope this helps!

Answer 2

Hello!

List the factors of each number

27 ⇒ 1, 3, 9, 27
36 ⇒ 1, 2, 3, 4, 6, 9, 12, 18, 36

The common factors are bold. The greatest common factor is 9

GCF ⇒ 9

Hope this helps! :)