Greatest Common Factors

Which of these numbers are factors of 18?

• 2

• 3

• 18

• 8

• 9

Tags

CCSS.4.OA.B.4

What is the GCF of 18 and 24?

• 3
• 6
• 8
• 9

What is the GCF of 9 and 27

• 9

• 3

• 1

• 27

What is the GCF of 24 and 30?

• 2
• 12
• 6
• 3

Find the factors of 18.

• 1, 2, 3, 6, 9, 18

• 1, 2, 3, 4, 6, 8, 12, 18

• 1, 2, 9, 18

• 1, 3, 6, 9, 18

Tags

CCSS.4.OA.B.4

Which number is a factor of 48, but not a multiple of 6?

• 24

• 12

• 16

• 48

Tags

CCSS.4.OA.B.4

What is the greatest common factor of 16 and 28?

• 2

• 8

• 4

• 1

• 14

What is the Greatest Common Factor of 30, 48, and 60?

• 6

• 36

• 3

• 33

Find the Least Common Multiple (LCM) of 12 & 18

• 36

• 48

• 60

• 72

Which of these are factors of 40? Choose all that apply!

• 80

• 8

• 10

• 4

• 160

Tags

CCSS.4.OA.B.4