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WorksheetsPRIME AND COMPOSITE
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
Prime numbers have:
a)
Exactly 2 factors
b)
2 pairs of factors
c)
More than 2 factors
d)
1 factor
2.
Composite numbers:
a)
Are always bigger than prime numbers
b)
Have more than 2 factors
c)
Have 2 pairs of factors
d)
Don't have factors
3.
which number is composite
a)
11
11
11
b)
13
c)
21
d)
23
4.
Which number is NOT a factor of 10?
a)
1
b)
2
c)
3
d)
5
5.
Which number listed below is a prime number?
a)
1
b)
37
c)
63
d)
33
6.
Which of the following is NOT true about prime numbers?
a)
They have exactly two factors
b)
1 is a factor of every prime number
c)
No prime numbers end in zero
d)
All prime numbers are odd numbers.
7.
is 5 prime or composite?
a)
prime
b)
composite
8.
What are all the factors of the number 81?
a)
1, 81
b)
1, 3, 9, 27, 81
c)
1, 8, 10, 81
d)
1, 2, 3, 9, 27, 40, 81
9.
Is the following number prime or composite?
86
86
a)
Prime
b)
Composite
c)
Divisible by 3
10.
Find the prime number.
a)
10
b)
9
c)
7
d)
4
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