GCF and LCF Review

GCF and LCM Review

Multiple Choice

What is a factor of 14?

• 5

• 7

• 3

• 28

Multiple Choice

what is a multiple of 5? 

• 33
• 22
• 55
• 11

Multiple Choice

Factors of the number 12 include..

• 1,2,3,4,6,12
• 12,24,36,42
• 3,6,9,12
• 12 has no factors

Multiple Choice

multiples for the number 3 include..

• 4,8,12,16,18,21
• 3,5,7,9,10,12
• 3,4,5,6,7,8
• 3,6,9,12,15,18

Multiple Choice

GCF stands for 

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

Multiple Choice

LCM stands for

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

Multiple Choice

What is the least common multiple (LCM) of 6 and 8?

• 6
• 8
• 48
• 24

Multiple Choice

What is the least common multiple (LCM) of 2 and 3?

• 6
• 8
• 20
• 10

Multiple Choice

Find the GCF of 12 and 6. 

• 1
• 6
• 2
• 3

Multiple Choice

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

• 4
• 40
• 15
• 20

Multiple Choice

Find the LCM of 18 and 24

• 6
• 72
• 24
• 5

Multiple Choice

LCM of: 
5 and 8

• 20
• 40
• 5
• 8

Multiple Choice

GCF of: 
14 and 20

• 7
• 28
• 2
• 6