GCF and LCM Problems

Find the least common multiple of 18 and 27.

• 3

• 54

• 9

• 486

Find the greatest common factor of 36 and 48.

• 144

• 3

• 12

• 2

Find the least common multiple of 36 and 24.

• 6

• 12

• 72

• 864

Find the greatest common factor of 23 and 4.

• 92

• 23

• 4

• 1

Find the least common multiple of 14 and 35.

• 1

• 490

• 7

• 70

Find the greatest common factor of 6 and 36.

• 2

• 6

• 36

• 3

Find the least common multiple of 33 and 22.

• 11

• 66

• 2

• 1

Find the greatest common factor of 27 and 18.

• 3

• 9

• 54

• 1

Find the least common multiple of 40 and 16.

• 80

• 4

• 2

• 640

Find the greatest common factor of 20 and 50.

• 5

• 10

• 100

• 25