Prime Factorization, Gcf, Lcm

What would be the EXPANDED prime factorization of the number 18?

• 2 x 3 x 3

• 3 x 6

• 2 x 9

• 2 x 3

Find the GCF:

• 5

• 1

• 30

• 10

Find the GCF:

• 1

• 2

• 8

• 12

Answer the following question by finding the GCF.

• 18

• 9

• 12

• 1

What is the greatest common factor (GCF) of 20 and 30?

• 5

• 2

• 10

• 20

Using prime factorization, find the GCF of 60 and 48.

• 6

• 12

• 24

• 4

What is the GCF of 56 and 49?

• 14

• 2

• 8

• 7

GCF 24 and 36

• 8

• 6

• 12

• 4

Using prime factorization, find the GCF of 81 and 108.

• 9

• 27

• 54

• 81

What is the GCF (Greatest Common Factor) of 12 and 6?

• 1

• 6

• 2

• 3