Multiples and Factors Redo

Decide if the number is prime or composite.

14

• prime

• composite

Decide if the number is prime or composite.

23

• Prime

• composite

Decide if the number is prime or composite.

47

• prime

• composite

Decide if the number is prime or composite.

81

• prime

• composite

What do the numbers below have in common?

6, 12, 18, 24, 30, 36

• They are factors of 6

• They are multiples of 6

• They have 6 factors

• They have 6 as a factor

• They are composite numbers

Juanita has 24 chocolate bars. She places all of the chocolate bars into one or more bags. Juanita places the same number of chocolate bars into each bag.

Which list shows all of the factors for the total number of chocolate bars?

• 1, 2, 3, 4

• 2, 3, 4, 6, 8, 12, 24

• 1, 2, 3, 4, 6, 8, 12, 24

• 2, 4, 5, 10, 15, 20, 24

Michael has 36 toy soldiers he would like to display on his desk. He wants to arrange them in equal rows.

Select the correct factor pairs of 36 to show the different ways Michael could arrange his toy soldiers.

• 1 x 36

• 2 x 20

• 3 x 12

• 4 x 10

• 6 x 6

list the factors of 21

List the factors of 38

The grocery store sells packs of broccoli that have 2 stalks, 3 stalks and 6 stalks. Ellen wants to buy exactly 24 stalks of broccoli.

What are 3 ways that Ellen can buy exactly 24 stalks of broccoli?

• Ellen can buy 8 packs of 2 stalks of broccoli.

• Ellen can buy 8 packs of 3 stalks of broccoli.

• Ellen can buy 4 packs of 6 stalks of broccoli.

• Ellen can buy 12 packs of 2 stalks of broccoli.

• Ellen can buy 18 packs of 2 stalks of broccoli.