Greatest Common Factor With and Without Variables

What is the GCF of 21 and 49?

What is the GCF of 8 and 24?

• 1

• 24

• 8

• 4

What is the greatest common factor of 35 and 47?

• 5

• 7

• 1

• 8

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 Greatest Common Factor of 12 and 48?

• 6

• 12

• 4

• 16

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