LCM and GCF Quiz

What is the least common multiple (LCM) of 4 and 6?

• 12

• 24

• 18

• 10

Find the LCM of 3 and 5.

• 10

• 15

• 30

• 9

Which of the following is a common multiple of 8 and 12?

• 16

• 24

• 20

• 30

Which of the following is a common multiple of 3 and 4?

• 12

• 25

• 27

• 30

What is the greatest common factor (GCF) of 12 and 18?

• 2

• 3

• 6

• 12

Find the GCF of 8 and 10.

• 2

• 4

• 8

• 10

What is the greatest common factor (GCF) of 12 and 18?

• 2

• 3

• 6

• 12

Find the GCF of 12 and 24.

• 2

• 4

• 12

• 6