Which of the following is a multiple of 16?

• 64

• 27

• 8

• 88

Which of the following correctly lists the factors of the number 28?

• 1,2,3,4,5

• 1,2,4,7,14,28

• 2,4,7,14

• 1,28

Which number below is a common factor of both 24 and 36?

• 7

• 12

• 9

• 5

Which of these is not the factor of the number 12?

• 5

• 6

• 12

• 2

Which of these is not a factor of number 18?

• 6

• 8

• 9

• 18

Which of these is a factor of 48?

• 12

• 13

• 14

• 15

A prime number has only ____ factors.

• 0

• 1

• 2

• 3

List the first 5 multiples of 3

• 3, 6 10, 15, 20

• 1, 3

• 3, 6, 9, 12, 15

• 6, 9, 12, 15, 18

Which of the following number is not a multiple of 7?

• 14

• 77

• 35

• 64

The highest common factor of 4,8 and 12 are

• 2

• 1

• 4

• 8