Factors and Multiples

Which number is Composite?

• 5

• 3

• 2

• 24

Lovell is organizing his 36 toy cars into equal-sized piles. Which list shows all of the possible numbers of cars that could be in each pile?

• 2, 3, 4, 6

• 1, 2, 3, 4, 6

• 2, 3, 4, 6, 9, 12, 18

• 1, 2, 3, 4, 6, 9, 12, 18, 36

40 is a multiple of 5.

• True

• False

12 x 3 = 36

Is 3 a factor or multiple?

• factor

• multiple

12 x 5 = 60

Is 60 a factor or multiple?

• factor

• multiple

What are other multiples of 5?

• 16

• 18

• 20

• 25

Molly ate 31 grapes. Which correctly describes 31 as a prime number or a composite number and tells the number of factor pairs 31 has?

• 31 is a prime number because it has 0 factor pairs.

• 31 is a prime number because it has 1 factor pair.

• 31 is a composite number because it has 1 factor pair.

• 31 is a composite number because it has 2 factor pairs.

Which of the following is a factor of 12? Select all that apply.

• 12

• 2

• 24

• 3

What is the least common multiple of 20 and 30?

• 5

• 60

• 10

• 120

Select all of the multiples of 8.

• 2

• 8

• 32

• 4