GCF and LCM Review

Front

What is the least common multiple of 9 and 12?

Back

36

Front

Tonya needs to buy red paper plates and napkins for a party. Plates are sold in packages of 10 and napkins are sold in packages of 14. What is the least number of plates and napkins that Tonya can buy so that there is the same amount of plates and napkins?

Back

70

Front

What is the greatest common factor of 27 and 45?

Back

9

Front

Jamie has 48 notebooks and 36 pencils. He wants to make packages to send to his cousins. Each package must have the same number of notebooks and pencils. What is the greatest number of packages that Jamie could make?

Back

12

Front

What is the greatest common factor of 8 and 24?

Back

8

Front

Nancy wrote steps to find the greatest common factor of 24 and 56. Which statement is true? Options: Nancy made a mistake. Nancy forgot to include 8 as a factor of 56, so the greatest common factor is 8 not 4. Nancy incorrectly listed the multiples instead of factors. The greatest common factor is 88 not 4.

Back

Nancy made a mistake. Nancy forgot to include 8 as a factor of 56, so the greatest common factor is 8 not 4.

Front

What is the least common multiple of 8 and 16?

Back

16

Front

Find the greatest common factor for 24 and 32.

Back

8

Front

Find the greatest common factor for 38 and 18.

Back

2

Front

Find the greatest common factor of 30 and 15.

Back

15