Greatest Common Factor

Front

GCF of 24 and 40

Back

8

Front

GCF of 14 & 22

Back

2

Front

GCF of 8 and 20

Back

4

Front

GCF of 18 and 24

Back

6

Front

GCF of 21 and 42

Back

21

Front

Greatest common factor of 30 and 36

Back

6

Front

Common factors of 16 and 24

Back

1, 2, 4, 8

Front

GCF of 12 and 18

Back

6

Front

GCF of 16 and 32

Back

16

Front

GCF of 48 and 64

Back

16