Factor Out the GCF

What is the GCF of 18 and 24?

• 3

• 6

• 8

• 9

Find the GCF of 64 and 144

• 8

• 6

• 16

• 2

What is the GCF of 4 and 12?

• 3

• 1

• 6

• 4

What is the GCF of 20 and 30?

• 5

• 2

• 10

• 20

What is the greatest common factor of the following numbers:

14, 42, and 49

• 3

• 7

• 2

• 84

The GCF of 25, 75, and 200 is.....

• 10

• 5

• 50

• 25

The Greatest Common Factor of 16 and 40 is ​ (a)  

• 8

• 4

• 5

• 2

• 16

• 32

• 3

• 11

Give the GCF for 18 and 30

Mathematical Equivalence

ON

GCF of 24 and 48

• 3

• 6

• 12

• 24

What is the GCF?  3x+9

• x

• 3

• 9

• 3x