 # Identify Factors and Multiples

In this worksheet, students select all the factor pairs for a given number. Key stage:  KS 2

Curriculum topic:   Number: Multiplication and Division

Curriculum subtopic:   Identify Multiples and Factors

Difficulty level:   ### QUESTION 1 of 10

This activity is about factor pairs: whole numbers which multiply together to produce a given number.

e.g. What are the factor pairs of 36?

1 and 36

2 and 18

3 and 12

4 and 9

6 and 6

These are the only whole numbers which multiply together to give 36.

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Select the factor pairs of 20.

1 and 20

2 and 10

4 and 6

4 and 5

6 and 14

10 and 10

Select the factor pairs of 70.

1 and 70

2 and 68

2 and 35

5 and 14

7 and 10

Select the factor pairs of 21.

1 and 21

2 and 10

3 and 7

5 and 4

5 and 16

Select the factor pairs of 11.

1 and 11

2 and 5

2 and 9

5 and 6

Select the factor pairs of 24.

1 and 24

2 and 12

3 and 21

4 and 6

8 and 3

12 and 12

Select the factor pairs of 28.

1 and 28

2 and 14

3 and 9

4 and 7

8 and 4

Select the factor pairs of 42.

1 and 42

2 and 21

3 and 15

6 and 7

14 and 3

Select the factor pairs of 16.

1 and 16

2 and 8

4 and 4

6 and 10

15 and 1

Select the factor pairs of 60.

1 and 60

2 and 30

3 and 20

4 and 25

4 and 15

5 and 12

6 and 10

Select the factor pairs of 56.

1 and 56

2 and 28

3 and 18

4 and 14

7 and 8

• Question 1

Select the factor pairs of 20.

1 and 20
2 and 10
4 and 5
EDDIE SAYS
These are the whole numbers which multiply together to give 20.
• Question 2

Select the factor pairs of 70.

1 and 70
2 and 35
5 and 14
7 and 10
EDDIE SAYS
These are the whole numbers which multiply together to give 70.
• Question 3

Select the factor pairs of 21.

1 and 21
3 and 7
EDDIE SAYS
These are the whole numbers which multiply together to give 21.
• Question 4

Select the factor pairs of 11.

1 and 11
EDDIE SAYS
11 is a prime number as it only has two factors.
• Question 5

Select the factor pairs of 24.

1 and 24
2 and 12
4 and 6
8 and 3
EDDIE SAYS
These are the whole numbers which multiply together to give 24.
• Question 6

Select the factor pairs of 28.

1 and 28
2 and 14
4 and 7
EDDIE SAYS
These are the whole numbers which multiply together to give 28.
• Question 7

Select the factor pairs of 42.

1 and 42
2 and 21
6 and 7
14 and 3
EDDIE SAYS
These are the whole numbers which multiply together to give 42.
• Question 8

Select the factor pairs of 16.

1 and 16
2 and 8
4 and 4
EDDIE SAYS
These are the whole numbers which multiply together to give 16.
• Question 9

Select the factor pairs of 60.

1 and 60
2 and 30
3 and 20
4 and 15
5 and 12
6 and 10
EDDIE SAYS
These are the whole numbers which multiply together to give 60.
• Question 10

Select the factor pairs of 56.

1 and 56
2 and 28
4 and 14
7 and 8
EDDIE SAYS
These are the whole numbers which multiply together to give 56.
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