Find the GCF of each.

Example: 16 = 1, 2, 4, 8 16
32= 2, 4, 8. 16 32

GCF = 16 Steps: 1. List all the factors of each number.
2. Find the common factors.
3. Get the greatest (biggest) common factor

1) 8,36

2) 20, 50

3) 40,20

4) 15, 30

5) 32, 40​