Question

Abe is going to plant 5454 oak trees and 2727 pine trees. Abe would like to plant the trees in rows that all have the same number of trees and are made up of only one type of tree. What is the greatest number of trees Abe can have in each row?

Answer 1

You would need to find the GCF of 54 and 27.

Factors of 54:  1, 2, 3, 6, 9, 18, 27, 54

Factors of 27:  1, 3, 9, 27

so, the GCF is 27