LCM and GCF

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

• 4
• 40
• 15
• 20

What is the GCF of 18 and 24?

• 3
• 6
• 8
• 9

What is the least common multiple (LCM) of 8 and 5?

• 50
• 40
• 5
• 8

What is the LCM for 3 and 9?

• 3
• 9
• 27
• 18

What is the LCM for 4 and 7?

• 4
• 7
• 14
• 28

What is the LCM for 5 and 8?

• 5
• 8
• 20
• 40

What is the LCM for 6 and 8?

• 6
• 8
• 24
• 48

Find the GCF of 64 and 144

• 8
• 6
• 16
• 2

What is the GCF of 18 and 24?

• 3

• 6

• 8

• 9

What is the GCF of 4 and 12?

• 3
• 1
• 6
• 4