Grade 5 Questions with Answers on Prime and Composite Numbers
Grade 5 math questions on prime and composite numbersanswers are presented.

True or False: All prime numbers are odd.

What is the smallest prime number?

True or False: All even numbers greater than 2 are composite.

Which number is prime?
 12
 6
 9

7

Which number is composite?
 21
 2
 13

11

Which number is prime?
 27
 31
 1

39

Which number is composite?
 1
 57
 17

41

Which number is neither prime nor composite?
 15
 41
 18

1

Which is prime and which is composite?
 16
 24
 29
 30
 31
 33
 81
 97
 100

101

List all prime numbers from 2 to 31.


Answers to the Above Questions
 False , 2 is even and prime.
 2
 True , because all even numbers are divisible by 2.
 7
 21
 31
 57
 1

prime: 29 , 31 , 97 , 101
composite: 16 , 24 , 30 , 33 , 81 , 100
 2 , 3 , 5 , 7 , 11 , 13 , 17 , 19 , 23 , 29 , 31
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Updated: 14 March 2009 (A Dendane)