GCF and LCM

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 GCF of 7 and 18?

• 7
• 18
• 1
• 3

What is the GCF OF 24 and 48?

• 52
• 58
• 24
• 48

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

• 4
• 40
• 15
• 20

LCM stands for

• Least correct multiple
• Latest common multiple
• Least common multiple
• Laser classroom mouse

GCF stands for 

• Greatest common factor
• Greatest common fraction
• Giant cat fingernail 
• Greatest calculated factor

What is the GCF of 18 and 45?

• 3

• 12

• 9

• 6

What is the greatest factor of 28 and 49?

• 1
• 2
• 7
• 12

What is the GCF of 24 and 30?

• 2
• 12
• 6
• 3