Q3 Extra Credit #5

Find the greatest common factor (GCF) of 120 and 80

• 40

• 80

• 20

• 12

• 8

Find the greatest common factor (GCF) of 84 and 60

• 12

• 4

• 6

• 24

• 16

Find the greatest common factor (GCF) of 56 and 77

• 7

• 8

• 9

• 1

• 11

Find the greatest common factor (GCF) of 42 and 28

• 14

• 12

• 16

• 7

• 2

Find the greatest common factor (GCF) of 90 and 36

• 18

• 36

• 9

• 12

• 6

Find the least common multiple (LCM) of 12 and 30

• 60

• 30

• 120

• 40

• 90

Find the least common multiple (LCM) of 27 and 18

• 54

• 36

• 56

• 60

• 180

Find the least common multiple (LCM) of 16 and 30

• 240

• 120

• 360

• 220

• 320

Find the least common multiple (LCM) of 14 and 7

• 14

• 7

• 28

• 21

• 42

CHALLENGE! What is the LCM of 2, 4, 6?

• 6
• 12
• 4
• 2

Tags

CCSS.6.NS.B.4