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Worksheets

Factors and Multiples

Total questions: 20

Worksheet time: 43mins

Name
Class
Date
1.
Is 3 a factor of 12?
a)
yes
b)
no
2.
Which is a NOT a factor of 9?
a)
0
b)
1
c)
3
d)
9
3.
Which number is a factor of 48?
a)
6
b)
18
c)
7
d)
9
4.

Find ALL FACTORS of 24

a)

1, 2, 12, 24

b)

1, 2, 8, 24

c)

1, 2, 3, 4, 5, 6, 8, 12, 24

d)

1, 2, 3, 4, 6, 8, 12, 24

5.
Joe has listed the first 4 multiples of 7 as: 
7   14    22     28
Which one is incorrect?
a)
7
b)
14
c)
22
d)
28
6.

Select all of the multiples of 8.

a)

2

b)

8

c)

32

d)

4

7.
Which of the following is a multiple of 7?
a)
28
b)
48
c)
71
d)
45
8.

List the first (4) multiples of 8

a)

1, 2, 4, 8

b)

8, 16, 24, 32

9.
1, 3, 5, 15
a)
Multiples of 15
b)
Factors of 15
c)
Factors of 5
d)
Multiples of 3
10.
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.  
11.
List the first 5 prime numbers:
a)
1,2,3,4,5
b)
2,3,4,5,6
c)
2,3,5,7,8
d)
2,3,5,7,11
12.
Which number is NOT prime?
a)
3
b)
7
c)
17
d)
21
13.

What is the PRIME factorization of 24?

a)

23 x 3

b)

2 x 2 x 3

c)

6 x 4

d)

32 x 2 x 2

14.

Find the Least Common Multiple (LCM) of 3 and 4

a)

34

b)

7

c)

12

d)

24

15.
What is the LCM of 4 and 12? 
a)
4
b)
8
c)
12
d)
16
16.

Find the Least Common Multiple (LCM) of 8 and 12

a)

812

b)

20

c)

96

d)

24

17.
Find the HCF of 40 and 60?
a)
10
b)
20
c)
30
d)
None of the above
18.

The least common multiple of 12, 30, and 40 is…

a)

40

b)

60

c)

120

d)

160

19.

A florist orders sunflowers every 6 days, and daisies every 4 days. How many days will pass until the next time she orders both kinds of flowers on the same day?

a)

12 days

b)

2 days

c)

24 days

d)

4 days

20.

A class is having a party for 20 students. They are buying cups in packages of 8 and napkins in packages of 12.


What is the least number of packages of cups and napkins they should buy?

a)

96 packages of cups and napkins

b)

20 packages of cups and napkins

c)

3 packages of cups and 2 packages of napkins

d)

2 packages of cups and 3 packages of napkins