GCF and LCM

GCF and LCM

Multiple Choice

What is the greatest factor of 28 and 49?

• 1
• 2
• 7
• 12

Multiple Choice

What is the GCF of 4 and 12?

• 3
• 1
• 6
• 4

Multiple Choice

What is the GCF of 18 and 24?

• 3

• 6

• 8

• 9

Multiple Choice

Find the GCF of 64 and 144

• 8

• 6

• 16

• 2

Multiple Choice

Simplify 6/4.

• 2/3

• 4/6

• 3/2

• 1 3/2

Multiple Choice

Simplify the fraction: 
15/12

• 4/3
• 5/4
• 5/3
• 3

Multiple Choice

Reduce the fraction:
15/30

• 1/2
• 5/10
• 3/15
• 3/15

Multiple Choice

What is the LCM of 4 and 6?

• 12

• 6

• 2

• 24

Multiple Choice

What is the LCM of 6 and 15?

• 15

• 30

• 3

• 10

Multiple Choice

What is the LCM of 15 and 30?

• 5

• 3

• 30

• 15

Multiple Choice

What is the LCM of 2 and 14?

• 28

• 7

• 14

• 2