Factoring Out Greatest Common Factor Practice

Greatest common factor of 10 and 20

• 5

• 2

• 10

Greatest common factors of 9 and 15

• 5

• 4

• 3

GCF of 18 and 24

• 2

• 3

• 4

• 6

What is the GCF of 24 and 30?

• 2

• 12

• 6

• 3

Find the GCF of 14 & 22.

• 1

• 2

• 7

• 14

What is the GCF of 8 and 10?

• 1

• 3

• 4

• 2

Find the GCF of 21 and 28

• 3

• 4

• 7

• 14

Find the greatest common factor of 30 and 36

• 2

• 3

• 6

• 18

GCF of 9 and 36

• 3

• 6

• 9

• 12

• Not Given

The common factors of 16 and 24 are....

• 2, 4 and 8

• 2, 4, 12, and 24

• 1, 2, 4 and 8

• 2, 4 and 8