LCM & GCF Day 1

Find the least common multiple (LCM) of 2 and 3.

• 2

• 3

• 6

• 12

Find the least common multiple (LCM) of 4 and 6.

• 4

• 6

• 12

• 24

Find the least common multiple (LCM) of 3 and 7.

• 7

• 3

• 21

• 14

Find the greatest common divisor.

(9, 24)

• 1

• 2

• 3

• 6

What is the GCF of 4 and 12?

• 3

• 1

• 6

• 4

What is the GCF of 20 and 30?

• 5

• 2

• 10

• 20