Math Prime and Composite Numbers

Which list has only prime numbers?

• 2, 3, 4, 5

• 1, 5, 7, 9

• 2, 3, 5, 7

• 2, 4, 6, 8

Tags

CCSS.4.OA.B.4

The ages of 8 different individuals are given below.

Categorize the ages as either prime, composite, or neither.

Drag the answer to the correct box.

Groups:

(a) Prime

,

(b) Composite

,

(c) Neither

• 51

• 39

• 2

• 1

• 29

• 33

• 0

• 43

Tags

CCSS.4.OA.B.4

Which number below is a prime number?

• 1

• 0

• 2

• 9

Tags

CCSS.4.OA.B.4

Which of the following numbers is a prime number?

• 1

• 11

• 21

• 51

Tags

CCSS.4.OA.B.4

Is 29 prime or composite?

• Prime

• Composite

Tags

CCSS.4.OA.B.4

Which of the following is NOT prime?

• 11

• 13

• 19

• 21

Tags

CCSS.4.OA.B.4

Which of the following numbers is a prime number?

• 4

• 6

• 11

• 15

Tags

CCSS.4.OA.B.4

The number 11 is​ (a)   because it has ​ (b)  

• prime

• composite

• exactly 2 factors

• more than 2 factors

Tags

CCSS.4.OA.B.4

Is 11 Prime or Composite?

• Prime

• Composite

Tags

CCSS.4.OA.B.4

Which of the following is not a prime number?

• 41

• 51

• 61

• 71

Tags

CCSS.4.OA.B.4