GCF and LCM

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 Greatest Common Factor (GCF) OF 12,  18 & 30

• 1
• 3
• 6
• 12

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

51 is a _____________ of 3

• Factor 
• Multiple

Which of the choices is a factor of 10?

• 2
• 4
• 6
• 8

What is the GCF of 18 and 24?

• 3
• 6
• 8
• 9

What is the GCF of 7 and 18?

• 7
• 18
• 1
• 3