Factors, Prime and Composite Numbers

Is 2 a prime or composite number?

• Prime

• Composite

Tags

CCSS.4.OA.B.4

Which answer choice lists all the factors for 27?

• 3, 9

• 1, 3, 9, 27

• 1, 3, 6, 9, 12, 27

• 1, 3, 6, 9, 18, 27

Tags

CCSS.4.OA.B.4

What are the factors of 51?

• 1, 5, 10, 51

• None. 51 is a prime number.

• 1, 3, 17, 51

• 1, 5, 11

Tags

CCSS.4.OA.B.4

Which number is NOT prime?

• 3

• 7

• 17

• 21

Tags

CCSS.4.OA.B.4

Is 6 a factor of 72?

• yes

• no

Tags

CCSS.4.OA.B.4

Which number listed below is a prime number?

• 1

• 37

• 63

• 33

Tags

CCSS.4.OA.B.4

Which number is prime?

• 57

• 19

• 9

Tags

CCSS.4.OA.B.4

Which number is composite?

• 2

• 4

• 13

Tags

CCSS.4.OA.B.4

Which is a factor of 8, but not a multiple of 4?

• 3

• 5

• 2

Tags

CCSS.4.OA.B.4

What are all of the factors of 15?

• 1,3,5,15

• 5,15

• 1,15

• 1,5

Tags

CCSS.4.OA.B.4