GCF and LCM

GCF of 27 and 70

• 3
• 5
• 7
• 10

Which pair of numbers has a GCF of 5?

• 10 and 25
• 30 and 40
• 45 and 9
• 50 and 25

Find the Greatest  Common Factor (GCF) of 14 & 22.

• 1
• 2
• 7
• 14

Find the Greatest Common Factor (GCF) OF 32 and 64.

• 1
• 2
• 4
• 32

Find the Least Common Multiple of 9 and 6

• 18
• 36
• 38
• 72

What is the LCM of 16 and 24?

• 24
• 48
• 8

Find the LCM of 12 and 6. 

• 6
• 12
• 2
• 1

What is the GCF of 18 and 24?

• 3
• 6
• 8
• 9

What is the least common multiple (LCM) of 4 and 10?

• 4
• 40
• 15
• 20

What is the least common multiple (LCM) of 2 and 3?

• 6
• 8
• 20
• 10