GCF & LCM

LCM of: 
5 and 8

• 20
• 40
• 5
• 8

GCF of: 
15 and 25

• 14
• 40
• 5
• 10

LCM of:
10 and 5

• 5
• 10
• 15
• 50

GCF of: 
56 and 49

• 14
• 2
• 8
• 7

LCM of: 
8 and 6

• 16
• 24
• 48
• 14

GCF of:
12 and 8

• 2
• 4
• 6
• 8

GCF of: 
14 and 20

• 7
• 28
• 2
• 6

Find the LCM of 18 and 24

• 6
• 72
• 24
• 5

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

• 4
• 40
• 15
• 20

Find the GCF of 12 and 6. 

• 1
• 6
• 2
• 3