Prime and Composite Numbers B

Which numbers are prime?

• 1

• 2

• 11

• 15

• 21

Tags

CCSS.4.OA.B.4

Which numbers are composite?

• 6

• 45

• 33

• 47

• 29

Which numbers are prime?

• 23

• 61

• 19

• 7

• 9

Which numbers are composite?

• 55

• 49

• 63

• 37

• 13

Which numbers are prime?

• 14

• 41

• 5

• 24

• 8

Which numbers are prime?

• 16

• 17

• 3

• 27

• 100

Which numbers are composite?

• 12

• 22

• 10

• 31

• 71

Which numbers are prime?

• 39

• 43

• 59

• 81

• 77