Factors, Multiples, Prime and Composite

Which of the following is a multiple of 7?

• 28
• 48
• 71
• 45

Which is not a multiple of 6?

• 72
• 42
• 18
• 35

24, 48, 72, 96 are all multiples of :

• 5
• 7
• 11
• 12

Which of the following numbers shows all of the factors of 12?

• 1,2,3,4,6,12
• 1,2,3,4,6,8,12
• 1,2,4,6,12
• 2,4,6,8,10,12

Which number listed below is a prime number?

• 1
• 37
• 63
• 33

Which group shows a list of composite numbers?

• 2,4,6,8,10
• 5,10,15,20,25
• 3,15,27,36,49
• 21,35,48,55,62

Which of the following is a factor of 54?

• 4
• 7
• 5
• 9

Which of the choices below includes two factors of 15?

• 5 and 6
• 3 and 5
• 3 and 9
• 3 and 8

What are the next three multiples?6, 12, 18, ___ ,___ ,___

• 24, 30, 34
• 24, 36, 42
• 24, 30, 36
• 22, 28, 34

True or False: Two is the only even prime number.

• True
• False