GCF/LCM

GCF of 24 and 56

• 2
• 4
• 6
• 8

GCF of 20 and 35

• 4
• 5
• 7
• 20

GCF of 99 and 54

• 9
• 3
• 6
• 8

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 greatest common factor of 6 and 21?

• 6
• 2
• 3
• 7

What is the GCF of 18 and 24?

• 3
• 6
• 8
• 9

What is the LCM of 6 and 24? 

• 3
• 6
• 12
• 24

What is the LCM of 22 and 6? 

• 6
• 22
• 42
• 66

What is the LCM of 2, 4, 6?

• 6
• 12
• 4
• 2

Find the Least Common Multiple (LCM) of 38 & 12

• 2
• 228
• 336
• 448