Free Printable Year 7 - Factors, multiples, LCF, HCM, prime numbers

1.

Which one is a prime number?

a)

0

b)

1

c)

5

d)

8

2.

Which one is a prime number?

a)

2

b)

4

c)

6

d)

8

3.

Which one is a NOT prime number?

a)

5

b)

7

c)

9

d)

11

4.

Which one is a NOT prime number?

a)

13

b)

15

c)

17

d)

19

5.

True or false: A prime number has only two factors.

a)

True

b)

False

6.

True or false: A composite number has three factors.

a)

True

b)

False

7.

True or false: A composite number has more than just itself and the number 1 as factors.

a)

True

b)

False

8.

Which of the following numbers are neither prime nor composite numbers?

a)

0

b)

1

c)

2

d)

3

9.

Which one is not a factor of 8?

a)

0

b)

1

c)

2

d)

4

10.

Which one is not a factor of 12?

a)

6

b)

5

c)

2

d)

4

11.

Which ones are multiples of the number 3?

a)

6

b)

9

c)

22

d)

24

12.

Which one is NOT a multiple of the number 5?

a)

10

b)

15

c)

36

d)

25

13.

Which one is NOT a multiple of the number 7?

a)

21

b)

14

c)

29

d)

35

14.

Which one is NOT a multiple of the number 9?

a)

27

b)

45

c)

89

d)

54

15.

Find the HCF of 20 and 25.

a)

1

b)

2

c)

5

d)

7

16.

Find the HCF of 12 and 16.

a)

1

b)

2

c)

3

d)

4

17.

Find the HCF of 44 and 55.

a)

4

b)

5

c)

11

d)

1

18.

Find the HCF of 9 and 27.

a)

1

b)

3

c)

27

d)

9

19.

Find the LCM of 3 and 4.

a)

6

b)

8

c)

14

d)

12

20.

Find the LCM of 6 and 4.

a)

6

b)

8

c)

24

d)

12

21.

what are the first 5 prime numbers in ascending order?

a)

2,3,4,5,11

b)

1,2,3,5,11

c)

2,3,5,7,11

d)

2,3,11,7,5

22.

Find the LCM of 12 and 16...

a)

48

b)

36

c)

64

d)

96

23.

Find the HCF of 12 and 16...

a)

2

b)

4

c)

6

d)

8

24.

Which of these numbers is not prime?

a)

17

b)

25

c)

23

d)

37

25.

Which of the following numbers is not composite?

a)

24

b)

40

c)

66

d)

61

26.

Which is the only prime number that is even?

a)

14

b)

22

c)

17

d)

2

27.

What are the factors of 11

a)

11,22,33

b)

1,2,4,11

c)

1,11

d)

2,11

28.

List the first 5 MULTIPLES of 3

a)

3, 6 10, 15, 20

b)

1, 3, 2, 6, 4

c)

3, 6, 9, 12, 15

d)

6, 9, 12, 15, 18

29.

Which is NOT a MULTIPLE of 6?

a)

12

b)

42

c)

18

d)

35

30.

Which number is a multiple of 9?

a)

18

b)

3

c)

26

d)

32

31.

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

32.

Which is a FACTOR of 15?

a)

2

b)

3

c)

4

d)

6

33.

Which number is a FACTOR of 16

a)

7

b)

6

c)

9

d)

4

34.

Which number is a FACTOR of 16

a)

7

b)

6

c)

9

d)

4

35.

Which is a NOT a FACTOR of 12?

a)

1

b)

3

c)

5

d)

12

36.

Which is a COMMON FACTOR between 12 and 18?

a)

4

b)

3

c)

9

d)

5

37.

Which number is COMPOSITE?

a)

11
11

b)

13

c)

21

d)

23

38.

Is 100 a prime or composite number?

a)

Prime

b)

Composite

39.

Which number below is NOT PRIME?

a)

2

b)

11

c)

13

d)

18

Year 7 - Factors, multiples, LCF, HCM, prime numbers

Total questions: 39

Worksheet time: 29mins

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