Free Printable LCM, HCF and Divisibility test

1.

Which number is a factor of 10

a)

3

b)

4

c)

5

d)

8

2.

List the first 5 multiples of 3

a)

3, 6 10, 15, 20

b)

1, 3

c)

3, 6, 9, 12, 15

d)

6, 9, 12, 15, 18

3.

A prime number is...

a)

a number that has only one factor.

b)

a number that has at least two factors.

c)

a number that has more than two factors.

d)

a number that has only two factors.
(1 and itself)

4.

Which one is a multiple of 4?

a)

33

b)

22

c)

18

d)

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.

Find the HCF of 21 and 28

a)

3

b)

4

c)

7

d)

14

7.

What is the LCM of 4 and 12?

a)

4

b)

8

c)

12

d)

16

8.

Find the HCF of 12 and 15 ?

a)

2

b)

2 x 3

c)

3

d)

60

9.

Find the HCF of 40 and 60?

a)

10

b)

20

c)

30

d)

None of the above

10.

What is the LCM of 6 and 8 ?

a)

12

b)

18

c)

24

d)

36

11.

Find the HCF of 30 and 36

a)

2

b)

3

c)

4

d)

6

12.

Which answer lists all the factors for 40?

a)

1,2,4,5,8,12,14,40

b)

1,2,3,4,5,8,10

c)

1,2,4,5,8,10,20,40

d)

1,2,4,5,6,7,8,9,10

13.

What are the next three multiples? 6, 12, 18, ___ ,___ ,___

a)

24, 30, 34

b)

24, 36, 42

c)

24, 30, 36

d)

22, 28, 34

14.

Which is a factor pair of 24?

a)

2,12

b)

3,5

c)

7,6

d)

8,5

15.

Which are factor pairs of 45?

a)

1,45,5,9

b)

1,3,7,9

c)

5,7,8,9

d)

7,9,5,2

16.

15

a)

Prime

b)

Composite

17.

Multiples of 4

a)

4,8,12,16,20

b)

2,4,6,8

c)

1,2

d)

3,6,9

18.

Find the HCF of 12 and 16...

a)

2

b)

4

c)

6

d)

8

19.

Find the LCM of 12 and 16...

a)

48

b)

36

c)

64

d)

96

20.

Find the HCF of 8 and 24 ...

a)

2

b)

4

c)

6

d)

8

21.

Find the LCM of 8 and 24 ...

a)

24

b)

48

c)

32

d)

64

22.

Find the LCM of 5 and 8...

a)

40

b)

80

c)

20

d)

60

23.

Find the LCM of 6 and 8...

a)

12

b)

16

c)

24

d)

36

24.

Find the LCM of 6 and 9...

a)

18

b)

30

c)

24

d)

36

25.

Find the LCM of 10 and 12...

a)

80

b)

40

c)

60

d)

120

26.

Find the HCF of 20 and 24

a)

6

b)

4

c)

5

d)

12

27.

Find the HCF of 30 and 25

a)

5

b)

6

c)

10

d)

15

28.

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

29.

Find the LCM of 12 and 16...

a)

48

b)

36

c)

64

d)

96

30.

Find the HCF of 12 and 16...

a)

2

b)

4

c)

6

d)

8

31.

Which of these numbers is not prime?

a)

17

b)

25

c)

23

d)

37

32.

Which of the following numbers is not composite?

a)

24

b)

40

c)

66

d)

61

33.

Number 27 is both ...

a)

even and composite

b)

odd and composite and a cube number

c)

even and prime

d)

odd and prime

34.

Ben exercises every 12 days and Isabel every 8 days. Ben and Isabel both exercised today. How many days will it be until they exercise together again?

a)

4

b)

6

c)

12

d)

24

35.

2) Mrs. Evans has 120 crayons and 30 pieces of paper to give to her students. What is the largest number of students she can have in her class so that each student gets equal number of crayons and equal number of paper.

a)

120 students

b)

60 students

c)

30 students

36.

Rosa is making a game board that is 16 inches by 24 inches. She wants to use square tiles. What is the larges tile she can ued?

a)

8

b)

16

c)

24

d)

48

37.

Four bells ring after 9,12 and 15 minutes respectively.If they ring together at 3pm together, when will they ring together again?

a)

4pm

b)

5pm

c)

6pm

d)

7pm

38.

Find the HCF of 8 and 24 ...

a)

2

b)

4

c)

6

d)

8

39.

Which number is a factor of 21

a)

8

b)

9

c)

6

d)

3

40.

What number is the only even prime number?

a)

0

b)

2

c)

1

d)

3

41.

List the first 5 multiples of 8

a)

1, 2, 4, 8

b)

8, 16, 25, 32, 40

c)

8, 16, 24, 32, 40

d)

8, 16, 24, 31, 40

42.

Is 3409122 divisible by 6?

a)

Yes

b)

No

43.

Is 17218 divisible by 6?

a)

Yes

b)

No

44.

Is 11309634 divisible by 8?

a)

Yes

b)

No

45.

Is 515712 divisible by 8?

a)

Yes

b)

No

46.

Is 3501804 divisible by 4?

a)

Yes

b)

No

47.

9 is a factor of which of the following number?

a)

394683

b)

1872546

c)

5172354

48.

Which of the following number is even?

a)

394683

b)

1872546

c)

5172359

49.

Which of the following Number is divisible by 2 ?

a)

If the last digit of the number is only 2.

b)

If the last digit of the number is 2 ,4 , 6 , 8 ,and 0

c)

If the sum of all digits is divisible by 2.

HIDE ANSWER

50.

A number is divisible by 3 if

a)

last digit of the number is 3.

b)

he number ends with 3 , 6 or 9.

c)

sum of all digits of the number is divisible by 3.

51.

A number is divisible by 5 if

a)

it's last digit is 0 or 5.

b)

it's last digit is 0 only.

c)

sum of all digits is divisible by 5

52.

6 can divide any number if it is divisible by 2 and 3.

a)

true

b)

false

53.

A number having 6 at unit place is divisible by 6.

a)

true

b)

false

54.

If last two digits of a number is divisible by 4, then the number is also divisible by 4.

a)

true

b)

false

55.

To make 8 as two digits number it will be

a)

08

b)

80

c)

88

56.

If the sum of all digits is divisible by 9 only then the number is divisible by 9.

a)

true

b)

false

57.

If a number is divisible by 9 it will also divisible by 3.

a)

true

b)

false

58.

The number with unit place 0 is divisible by 10.

a)

true

b)

false

59.

If the difference of odd and even places is divisible by 11 then the number is divisible by 11.

a)

true

b)

false

60.

Which of the following is not a part of division ?

a)

Divisor

b)

dividend

c)

quotient

d)

multiple

e)

remainder

61.

HCF OF 15 ,21 and 27 is________________________

a)

3

b)

9

c)

27

d)

30

62.

LCM of 6, 4 and 8 is__________________

a)

28

b)

21

c)

24

d)

8

63.

If product of two numbers is 100 and HCF is 2 .What is LCM?

a)

1002

b)

2

c)

50

d)

500

64.

Which is a factor of 15?

a)

2

b)

3

c)

4

d)

6

65.

Which one is a multiple of 4?

a)

33

b)

22

c)

18

d)

24

66.

Find the HCF of 12 and 15 ?

a)

2

b)

2 x 3

c)

3

d)

60

67.

The LCM of 5 and 15 is?

a)

5

b)

2 x 3

c)

15

d)

10

68.

Find the HCF of 40 and 60?

a)

10

b)

20

c)

30

d)

None of the above

69.

What is the HCF of 20 and 35?

a)

4

b)

5

c)

7

d)

20

70.

Find the HCF of 6 and 24.

a)

2

b)

3

c)

1

d)

6

71.

What is the LCM of 6 and 8 ?

a)

12

b)

18

c)

24

d)

36

72.

Which of the following is not divisible by 2 ?

a)

2221

b)

1222

c)

2212

d)

2122

73.

Which of the following are not divisible by 2 and 3 ?

a)

6

b)

9

c)

18

d)

24

74.

Which of the following is not divisible by 2 and 5 ?

a)

40

b)

100

c)

50

d)

25

75.

Which of the following is divisible by 3 ?

a)

84

b)

76

c)

103

d)

209

76.

Which of the following Numbers is divisible by 4 ?

a)

210

b)

520

c)

630

d)

770

77.

Which of the following Numbers is not divisible by 6 ?

a)

126

b)

336

c)

446

d)

552

78.

Which of the following Numbers is not divisible by 5 ?

a)

560

b)

505

c)

550

d)

556

79.

If a number is divisible by 9 it will also divisible by 3.

a)

True

b)

False

80.

Every number is divisible by 1.

a)

True

b)

False

81.

45889 is divisible by 2.

a)

True

b)

False

82.

When we divide 546 by 10 the remainder will be ...

a)

5

b)

4

c)

6

d)

Nothing

83.

When a number is divided by 10 the number at unit place will be remainder.

a)

True

b)

False

84.

24 is divisible by...

a)

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

b)

3,4,and6 only

c)

8,4and 12 only

d)

1 and 24 only

85.

40 is divisible by...

a)

1 and 40 only

b)

10 and 40 only

c)

2and 10 only

d)

All of the above

86.

The highest divisor of a number is the number itself.

a)

True

b)

False

87.

454545 is divisible by 11.

a)

True

b)

False

88.

101010 is divisible by 11.

a)

True

b)

False

89.

Is 58212 Divisible by 3?

a)

Yes

b)

No

90.

Is 13,211 divisible by 10?

a)

Yes

b)

No

91.

Is 221 divisible by 4?

a)

Yes

b)

No

92.

Is 3,522 divisible by 6?

a)

Yes

b)

No

c)

Not here

93.

If a number passes the test for 2 and 3 it is divisble by 6.

a)

True

b)

False

94.

If the sum of all of the digits in number is divisible by 9, then the number is divisible by 9.

a)

False

b)

True

LCM, HCF and Divisibility test

Total questions: 94

Worksheet time: 5hrs 39mins

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