Greatest Common Factor and Least Common Multiple

List all the positive factors of 12.

• 1, 2, 3, 4, 6, 12

• 1, 2, 4, 12

• 1, 12

• 1, 2, 3, 4, 5, 6, 12

Tags

CCSS.4.OA.B.4

Find the greatest common factor (GCF) of 18 and 24.

• 3

• 6

• 8

• 9

Find the greatest common factor (GCF) of 24 and 48.

• 52

• 58

• 24

• 48

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

• 2

• 3

• 6

• 12

Tags

CCSS.6.NS.B.4

Find the least common multiple (LCM) of 10 and 20.

• 5

• 10

• 20

• 40

Tags

CCSS.6.NS.B.4

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

• 4

• 6

• 12

• 24

Tags

CCSS.6.NS.B.4

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

• 7

• 3

• 21

• 14

Tags

CCSS.6.NS.B.4

What did you think of this lesson? Thank you for participating in this activity! Here is the code to enter for the virtual visitor badge: 24681012