LCM and GCF

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

• 12

• 14

• 10

• 8

Find the greatest common factor (GCF) of 12 and 18.

• 3

• 6

• 9

• 15

Find the LCM of 8 and 10.

• 40

• 25

• 20

• 15

Find the GCF of 24 and 36.

• 6

• 18

• 30

• 12

What is the LCM of 15 and 25?

• 50

• 100

• 75

• 30

Determine the GCF of 16 and 24.

• 12

• 4

• 20

• 8

Calculate the LCM of 9 and 12.

• 24

• 18

• 36

• 48

Compute the GCF of 30 and 45.

• 25

• 20

• 15

• 10

Find the LCM of 7 and 9.

• 72

• 56

• 81

• 63

Find the GCF of 20 and 25.

• 2

• 10

• 15

• 5