Factors and Multiples

Which number is a factor of 10

• 3

• 4

• 5

• 8

Which number is a factor of 18

• 4

• 7

• 6

• 12

Which number is a factor of 7?

• 3

• 4

• 6

• 7

Which number is a factor of 40

• 3

• 9

• 6

• 4

Which number is a factor of 30

• 7

• 12

• 4

• 15

Which number is a factor of 27?

• 7

• 8

• 9

• 5

Which number is a factor of 42?

• 7

• 5

• 4

• 8

Which set of numbers show all the factors for 15?

• 7, 8

• 1, 15

• 1, 3, 5, 15

• 3, 5, 15

Which choice lists all the factors for the number 24?

• 2, 3, 4, 6, 8, 12, 24

• 2, 3, 4, 6, 8, 12, 24, 36

• 1, 2, 3, 4, 6, 8, 12, 24

• 1, 2, 4, 5, 6, 8, 12 ,24

The only factors of 9 are 1 and 9 making the number 9 prime.

• True

• False