GCF LCM Monomials

What is the greatest common factor of 42xy² and 28x³y?

• 84x³y²

• 14y

• 14xy

• 14xy²

What is the least common multiple (LCM) of 42xy² and 28x³y?

• 84x³y²

• 14y

• 14xy

• 14xy²

What is the least common multiple of 20a²b² and 50b³?

• 100a²b³

• 10b³

• 10ab²

• 10b²

Find the LCM of 12 and 6.

• 6

• 12

• 2

• 1

What is the GCF of 7 and 18?

• 7

• 18

• 1

• 3

what is the LCM of the numbers 2 and 3

• 3

• 2

• 4

• 6

Avery gets newsletters by e-mail. He gets one for sports every 5 days, one for model railroads every 10 days, and one for music every 8 days. If he got all three today, how many more days will it be until he gets all three newsletters on the same day again?

• 80 days

• 40 days

• 50 days

• 60 days

Largest factor shared by a set of numbers

• Greatest Common Factor (GCF)

• Least Common Multiple (LCM)

• opposite

• Distributive Property

The smallest number that is a multiple in a set of numbers

• Least Common Multiple (LCM)

• Greatest Common Factor (GCF)

• diameter

• radius

GCF 24 and 36

• 8

• 6

• 12

• 4