EduSahara™ Worksheet

EduSahara™ Worksheet

Name : Chapter Based Worksheet

Chapter : Factors and Multiples

Grade : ICSE Grade VI

License : Non Commercial Use

Question 1

1.

Find the total number of factors of
25

(i)

3
(ii)

2
(iii)

4
(iv)

1
(v)

0

Question 2

2.

Find the prime factorization of
1710

(i)

2

✕

3 2

✕

3

✕

19
(ii)

2

✕

3 2

✕

5

✕

19
(iii)

2

✕

3 2

✕

5

✕

22
(iv)

2 2

✕

3 2

✕

5

✕

19
(v)

2

✕

3 2

✕

5

✕

18

Question 3

3.

The multiples of 10 =

(i)

{10,20,30,40,50,60}
(ii)

{10,30,40,50,60,59}
(iii)

{10,20,30,40,50,60,19}
(iv)

{10,20,30,40,50,60,31,19}
(v)

{10,20,40,50,51,9}

Question 4

4.

Find the prime factorization of
39

(i)

5

✕

13
(ii)

3

✕

10
(iii)

3

✕

13
(iv)

3

✕

12
(v)

3

✕

13 2

Question 5

5.

Find the prime factorization of
72

(i)

2 3

✕

3
(ii)

2 3

✕

5 2
(iii)

2 4

✕

3 2
(iv)

2 3

✕

3 2
(v)

(-1) 3

✕

3 2

Question 6

6.

The factors of 24 =

(i)

{1,2,3,4,6,8,12,23}
(ii)

{1,2,3,4,6,24,13,5}
(iii)

{1,2,3,4,6,8,12,24,5}
(iv)

{1,2,3,4,6,8,12,24,5,23}
(v)

{1,2,3,4,6,8,12,24}

Question 7

7.

Find the HCF of
{960,420}

(i)

58
(ii)

59
(iii)

60
(iv)

63
(v)

61

Question 8

8.

Find the total number of factors of
5880

(i)

46
(ii)

50
(iii)

48
(iv)

47
(v)

49

Question 9

9.

The factors of 17 =

(i)

{2,16}
(ii)

{1,17,2}
(iii)

{1,17,16,2}
(iv)

{17,16}
(v)

{1,17}

Question 10

10.

Find the HCF of
{80,50}

(i)

11
(ii)

7
(iii)

10
(iv)

9
(v)

13

Question 11

11.

Find the LCM of
{9,8}

(i)

71
(ii)

73
(iii)

74
(iv)

72
(v)

70

Question 12

12.

The multiples of 11 =

(i)

{11,22,55,66,54,23}
(ii)

{11,22,33,44,55,66,23,32}
(iii)

{11,22,33,44,66,23}
(iv)

{11,22,33,44,55,66,23}
(v)

{11,22,33,44,55,66}

Question 13

13.

The factors of 78 =

(i)

{1,2,3,6,13,26,39,78}
(ii)

{1,2,3,6,13,26,39,78,38,27}
(iii)

{1,2,3,26,39,78,7,14}
(iv)

{1,2,3,13,26,39,78}

Question 14

14.

The common multiples of 10 , 4 and 6 =

(i)

{120,51}
(ii)

{60,120}
(iii)

{120,117}
(iv)

{120,171}
(v)

{120,69}

Question 15

15.

Which of the following is a prime number?

(i)

16
(ii)

19
(iii)

10
(iv)

18
(v)

21

Question 16

16.

Find the HCF of
{12,14,44}

(i)

4
(ii)

1
(iii)

3
(iv)

(-1)
(v)

2

Question 17

17.

Find the number of prime factors of
1911

(i)

1
(ii)

4
(iii)

0
(iv)

2
(v)

3

Question 18

18.

Find the LCM of
{180,240}

(i)

720
(ii)

719
(iii)

718
(iv)

723
(v)

721

Question 19

19.

Find the number of prime factors of
8064

(i)

3
(ii)

4
(iii)

2
(iv)

0
(v)

1

Question 20

20.

Find the LCM of
{228,84,180,204}

(i)

406981
(ii)

406979
(iii)

406980
(iv)

406978
(v)

406982

Question 21

21.

Find the LCM of
{1140,900,600}

(i)

34202
(ii)

34200
(iii)

34199
(iv)

34198
(v)

34201

Question 22

22.

The common multiples of 3 and 5 =

(i)

{15,30,45,60,75,90,120,62}
(ii)

{30,45,60,75,90,105,120,97}
(iii)

{15,30,45,60,75,90,105,6}
(iv)

{15,30,45,75,90,105,120,4}
(v)

{15,30,45,60,75,90,105,120}

Question 23

23.

Find the HCF of
{2760,1620,1320}

(i)

63
(ii)

58
(iii)

59
(iv)

60
(v)

61

Question 24

24.

Find all common factors of 35 and 7

(i)

{1,0}
(ii)

{1,7,35}
(iii)

{1,5}
(iv)

{1,7}
(v)

{1,7,0}

Question 25

25.

Find the HCF of
{410,330,310,90}

(i)

12
(ii)

8
(iii)

9
(iv)

10
(v)

11

Assignment Key