Free Printable Prime numbers and factors

Free Printable Worksheets

Worksheets

Prime 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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