Prime Time Unit REVIEW

What is the LCM of 4 and 7?

• 11

• 1

• 28

• 24

What is the GCF of 12 and 40?

• 0

• 12

• 6

• 4

What is the Prime Factorization of 56?

• 2 x 2 x 2 x 7

• 2 x 2 x 2 x 2 x 7

• 1 x 2 x 8 x 7

• 4 x 14

Find the Prime Factorization of 38.

• 1 x 2 x 18

• 3 x 8

• 2 x 19

• 1 x 2 x 19

List the factors of 70.

• 1, 2, 5, 7, 10, 15, 25, 70

• 0, 1, 2, 7, 10, 14, 35, 70

• 1, 2, 5, 7, 10, 14, 35, 70

• 0, 1, 3, 5, 7, 10, 11, 14, 35, 70

List the Factors of 72

• 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

• 0, 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

• 1, 2, 3, 8, 9, 12, 18, 24, 48, 72

• 1, 72

List the first five multiples of 9.

List the first five multiples of 14.

  Divide. Show your remainder as a fraction.
5,256 ÷ 33

At Wegmans, hot dogs come in packages of eight and hot dog buns come in packages of twelve.

What is the least number of packages of each type that you can buy and have no hot dogs or buns left over?

How many hot dog packages would you need to purchase?

How many bun packages would you need to purchase?