LCM & GCF

GCF of 99 and 54

• 9

• 3

• 6

• 8

What is the GCF of 4 and 12?

• 3

• 1

• 6

• 4

GCF of 24 and 56

• 2

• 4

• 6

• 8

What is the LCM of 10 and 12?

• 12

• 120

• 60

• 80

What is the LCM of 7 and 8? 

• 7

• 8

• 42

• 56

LCM (9, 12)

• 9

• 36

• 12

• 3

LCM (18, 15)

• 90

• 18

• 15

• 3

LCM (10, 15)

• 10

• 150

• 5

• 30

LCM (9, 6)

• 9

• 3

• 18

• 54

GCF (40, 20)

• 20

• 80

• 2

• 10