REVIEW - Greatest Common Factors and Least Common Multiples

What is the Greatest Common Factor of 10 and 21?

• 2

• 12

• 1

• 5

What is the Greatest Common Factor of 35 and 49

• 5

• 7

• 1

• 17

What is the Greatest Common Factor of 12 and 48?

• 6

• 12

• 4

• 16

What is the Greatest Common Factor of 35 and 42?

• 5

• 14

• 7

• 3

What is the GCF of 8 and 24?

• 1

• 24

• 8

• 4

What is the Least Common Multiple of 4 and 14

• 28

• 42

• 56

• 24

What is the Least Common Multiple of 5 and 11?

• 45

• 66

• 25

• 55

What is the Least Common Multiple of 3 and 4?

• 12

• 24

• 36

• 48

What is the LCM of 15 and 10?

• 15

• 25

• 30

• 20

What are the factors of 25?

• 1, 2, 3, 5, 10, 15, 25
• 1, 5,  25
• 1, 25
• 1, 5