GCF & LCM

What is the LCM (Least Common Multiple) of 4 and 10?

• 4

• 40

• 15

• 20

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

• 1

• 6

• 2

• 3

What is the least common multiple (LCM) of 8 and 5?

• 50
• 40
• 5
• 8

GCF 24 and 36

• 8
• 6
• 12
• 4

List all the factors of 12

• 1, 2, 3, 4, 6, 12
• 1, 2, 4, 12
• 1, 12
• 1, 2, 3, 4, 5, 6, 12

What is the LCM of 10 and 5?

• 5

• 10

• 15

• 50

What is the greatest common factor of 15 and 36?

• 6

• 8

• 4

• 3

What is the LCM of 4 and 10?

• 20

• 2

• 5

• 40

Which list are multiples of 9.

• 9,16,24,36,45

• 9,18,27,36,45,54,63

• 1,3,9

• 1,9,18,27,36

What are the factors of 24?

• 1,24

• 1,2,3,4,6,24

• 1,3,6,8,24

• 1,2,3,4,6,8,12,24