Gcf and Lcm Review

What is the least common multiple (LCM) of 2 and 6?

• 6

• 12

• 24

• 36

What is the greatest common factor (GCF) of 9 and 27?

• 1

• 3

• 9

• 27

What is the greatest common factor (GCF) of 5 and 12?

• 1

• 2

• 3

• 5

Marcus collects donations and sends care packages to troops overseas. He has 36 bars of soap and 24 toothbrushes and wants to arrange the items so the packages are identical. What is the greatest number of packages that Marcus can make using all the soap and toothbrushes?

• 6

• 8

• 10

• 12

What is the greatest common factor of 14 and 35?

• 2

• 7

• 8

• 5

Which pair of numbers has a GCF of 10 AND a LCM of 60?

• 2 and 5

• 20 and 30

• 5 and 10

• 15 and 20

Tags

TEKS.MATH.6.7A

GCF of 10, 50, and 60

• 10

• 2

• 5

• 50

What is the least common multiple (LCM) of 3 and 7?

• 7

• 15

• 21

• 28

Which pair of numbers has an LCM of 60?

• 2 and 12

• 5 and 12

• 6 and 12

• 3 and 12

Which pair of numbers has an LCM of 16?

• 4 and 8

• 3 and 16

• 4 and 16

• 2 and 4