WorksheetsPlaying With Numbers (Factors & Multiples)
Total questions: 15
Worksheet time: 11mins
Name
Class
Date
1.
Write all the factors of 12
a)
1,2,3,4,6 and 12
b)
1,2,3,4 and 6
c)
12,24,36,48 and 60
d)
1,2,3,4,6,12 and 24
2.
Which number is a factor of 10
a)
3
b)
4
c)
5
d)
8
3.
Which is a NOT a factor of 9?
a)
0
b)
1
c)
3
d)
9
4.
A prime number is...
a)
a number that has only one factor.
b)
a number that has at least two factors.
c)
a number that has more than two factors.
d)
a number that has only two factors.
(1 and itself)
(1 and itself)
5.
Which number is NOT prime?
a)
3
b)
7
c)
17
d)
21
6.
Joe has listed the first 4 multiples of 7 as:
7 14 22 28
Which one is incorrect?
7 14 22 28
Which one is incorrect?
a)
7
b)
14
c)
22
d)
28
7.
What is the greatest multiple of 6 that is less than 50?
a)
42
b)
44
c)
46
d)
48
8.
Which choice lists all the factors for the number 24?
a)
2, 3, 4, 6, 8, 12, 24
b)
2, 3, 4, 6, 8, 12, 24, 36
c)
1, 2, 3, 4, 6, 8, 12, 24
d)
1, 2, 4, 5, 6, 8, 12 ,24
9.
List the first 5 multiples of 8
a)
1, 2, 4, 8
b)
8, 16, 25, 32, 40
c)
8, 16, 24, 32, 40
d)
8, 16, 24, 31, 40
10.
Which is true about ALL prime numbers.
a)
They are all even.
b)
They are all odd.
c)
They have exactly two factors.
d)
They do not have any factors.
11.
True or False: Two is the only even prime number.
a)
True
b)
False
12.
Which number is a factor of 48?
a)
6
b)
18
c)
7
d)
9
13.
Which number is a factor of 25?
a)
1
b)
2
c)
10
d)
50
14.
Which number is a multiple of 8?
a)
4
b)
2
c)
24
d)
30
15.
1, 3, 5, 15
a)
Multiples of 15
b)
Factors of 15
c)
Factors of 5
d)
Multiples of 3
100 %
