Prime and composite numbers
Name
Date
-
1.
Which number is prime?a)85b)71c)49d)78
-
2.
Is 39 prime or composite?a)Primeb)Composite
-
3.
Is 15 prime or composite?a)Primeb)Composite
-
4.
Which number is prime?a)11b)74c)22d)15
-
5.
Is 36 prime or composite?a)Primeb)Composite
-
6.
Which number is prime?a)42b)8c)62d)43
-
7.
Which number is prime?a)34b)5c)70d)15
-
8.
Which number is prime?a)63b)71c)72d)76
-
9.
Which number is prime?a)67b)95c)69d)58
-
10.
Is 94 prime or composite?a)Primeb)Composite
-
11.
Which number is prime?a)7b)9c)33d)45
-
12.
Which number is prime?a)70b)48c)37d)64
-
13.
Is 23 prime or composite?a)Primeb)Composite
-
14.
Which number is prime?a)13b)35c)92d)9
-
15.
Which number is prime?a)7b)70c)65d)90
-
16.
Which number is prime?a)80b)23c)33d)98
-
17.
Which number is prime?a)85b)96c)53d)36
-
18.
Is 89 prime or composite?a)Primeb)Composite
-
19.
Which number is prime?a)35b)40c)27d)89
-
20.
Is 61 prime or composite?a)Primeb)Composite
Free maths worksheets and practice: rocketdigits.com/learn/prime-and-composite-numbers
Answers: Prime and composite numbers
- b) 71
- b) Composite
- b) Composite
- a) 11
- b) Composite
- d) 43
- b) 5
- b) 71
- a) 67
- b) Composite
- a) 7
- c) 37
- a) Prime
- a) 13
- a) 7
- b) 23
- c) 53
- a) Prime
- d) 89
- a) Prime
Free maths worksheets and practice: rocketdigits.com/learn/prime-and-composite-numbers