WorksheetsPrime numbers and factors
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
Which of the following numbers is a prime number?
a)
15
b)
11
c)
12
d)
9
2.
What is the only even prime number?
a)
6
b)
2
c)
4
d)
1
3.
Which of the following is NOT a prime number?
a)
9
b)
7
c)
13
d)
5
4.
Which of these numbers is prime?
a)
21
b)
33
c)
25
d)
17
5.
How many prime numbers are there between 1 and 10?
a)
5
b)
4
c)
3
d)
2
6.
Which of the following is a factor of 24?
a)
9
b)
7
c)
5
d)
6
7.
What are the factors of 15?
a)
1, 3, 5, 15
b)
1, 5, 10, 15
c)
1, 2, 5, 15
d)
2, 3, 5, 15
8.
Which of the following numbers has exactly two factors?
a)
7
b)
12
c)
8
d)
6
9.
What is the greatest factor of 18?
a)
18
b)
12
c)
6
d)
9
10.
Which of the following is a factor of 30?
a)
9
b)
8
c)
6
d)
4
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