Prime and Composite

Which is a common factor of this set of numbers? 20, 38, 14, 16, 8

• 2
• 4
• 3
• 6

Tags

CCSS.4.OA.B.4

Which is not a multiple of 6?

• 72
• 42
• 18
• 35

Tags

CCSS.4.OA.B.4

24, 48, 72, 96 are all multiples of

• 5
• 7
• 11
• 12

Tags

CCSS.4.OA.B.4

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

Tags

CCSS.4.OA.B.4

Which of the following equations will NOT result in a multiple of 5?

• 11 x 5 = _

• 2 x 5 = _

• 6 x 5 = _

• 7 x 3 = _

Tags

CCSS.5.OA.B.3

Which number listed below is a prime number?

• 1
• 37
• 63
• 33

Tags

CCSS.4.OA.B.4

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

Tags

CCSS.4.OA.B.4

Which of the following is a factor of 54?

• 4
• 7
• 5
• 9

Tags

CCSS.4.OA.B.4

Which of the choices below includes two factors of 15?

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

Tags

CCSS.4.OA.B.4

Find the prime number

• 10
• 9
• 7
• 4

Tags

CCSS.4.OA.B.4