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Worksheets

Factors, Multiples and Primes

Total questions: 11

Worksheet time: 11mins

Name
Class
Date
1.

Which of these is NOT a factor of 20?

a)

10

b)

2

c)

5

d)

3

2.

What are all the factors of 20?

4 lines
3.

Which of these is a multiple of 20?

a)

10

b)

5

c)

40

d)

50

4.

Which of these is a multiple of 200?

a)

50

b)

400

c)

100

d)

500

5.

Select the factors 100

a)

10

b)

2

c)

75

d)

50

6.

Show all of the factors for 100

7.

1 is a prime number.

a)

True

b)

False

8.

Explain why 1 is not a prime number

4 lines
9.

Which of these is not a prime number?

a)

3

b)

9

c)

11

d)

17

10.

Which is the only even prime number?

a)

1

b)

2

c)

4

d)

10

11.

Why is 6 not a prime number?

4 lines