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
1872

(i)

29
(ii)

30
(iii)

32
(iv)

31
(v)

27

Question 2

2.

Find the LCM of
{12,9}

(i)

37
(ii)

36
(iii)

38
(iv)

33
(v)

35

Question 3

3.

Find all common factors of 46 , 26 and 30

(i)

{2,13}
(ii)

{1,2}
(iii)

{1,2,26}
(iv)

{1,2,23}
(v)

{2,46}

Question 4

4.

Find the total number of factors of
960

(i)

28
(ii)

27
(iii)

31
(iv)

29
(v)

25

Question 5

5.

Find the number of prime factors of
6480

(i)

1
(ii)

4
(iii)

2
(iv)

0
(v)

3

Question 6

6.

Find the product of LCM and HCF of
{9,8}

(i)

75
(ii)

72
(iii)

71
(iv)

70
(v)

73

Question 7

7.

The common multiples of 4 , 10 and 2 =

(i)

{40,60,80,319}
(ii)

{20,40,80,151}
(iii)

{40,60,80,77}
(iv)

{40,60,80,71}
(v)

{20,40,60,80}

Question 8

8.

Find the prime factorization of
91

(i)

6

✕

13
(ii)

7

✕

13
(iii)

5

✕

13
(iv)

7 2

✕

13
(v)

9

✕

13

Question 9

9.

The common multiples of 3 and 7 =

(i)

{21,42,63,105,55}
(ii)

{21,42,63,105,89}
(iii)

{21,42,63,105,211}
(iv)

{21,42,84,105,52}
(v)

{21,42,63,84,105}

Question 10

10.

Find the LCM of
{6,4}

(i)

13
(ii)

11
(iii)

12
(iv)

10
(v)

14

Question 11

11.

Find the number of prime factors of
594

(i)

0
(ii)

1
(iii)

3
(iv)

4
(v)

2

Question 12

12.

Find the LCM of
{640,560}

(i)

4481
(ii)

4480
(iii)

4483
(iv)

4478
(v)

4479

Question 13

13.

The factors of 6 =

(i)

{1,2,3,6,5}
(ii)

{1,2,3,6}
(iii)

{1,2,3,5}
(iv)

{3,6,2,5}

Question 14

14.

The common multiples of 4 , 6 and 8 =

(i)

{24,48,72,96,120,67}
(ii)

{24,48,72,120,144,203}
(iii)

{24,48,72,120,144,101}
(iv)

{24,48,72,96,120,144}
(v)

{24,48,96,120,144,241}

Question 15

15.

Find the LCM of
{12,14,9,18}

(i)

255
(ii)

253
(iii)

250
(iv)

252
(v)

251

Question 16

16.

Find the HCF of
{680,880,560}

(i)

41
(ii)

38
(iii)

39
(iv)

42
(v)

40

Question 17

17.

Find the prime factorization of
1260

(i)

2 2

✕

3 2

✕

5

✕

6
(ii)

2 2

✕

3 3

✕

5

✕

7
(iii)

2 2

✕

3 2

✕

5

✕

7
(iv)

5 2

✕

3 2

✕

5

✕

7
(v)

(-1) 2

✕

3 2

✕

5

✕

7

Question 18

18.

Find the prime factorization of
4536

(i)

2 3

✕

1

✕

7
(ii)

2 3

✕

3 4

✕

7
(iii)

2 2

✕

3 4

✕

7
(iv)

2 3

✕

6 4

✕

7
(v)

2 3

✕

3 4

✕

7 2

Question 19

19.

Find the product of LCM and HCF of
{21,12}

(i)

253
(ii)

249
(iii)

255
(iv)

251
(v)

252

Question 20

20.

Find the product of LCM and HCF of
{10,25,20,21}

(i)

2098
(ii)

2100
(iii)

2103
(iv)

2099
(v)

2101

Question 21

21.

Find the HCF of
{25,49,34}

(i)

0
(ii)

(-1)
(iii)

1
(iv)

3
(v)

2

Question 22

22.

Find the number of prime factors of
66

(i)

2
(ii)

0
(iii)

4
(iv)

1
(v)

3

Question 23

23.

The multiples of 13 =

(i)

{13,26,39,65,78,27}
(ii)

{13,26,39,52,65,78}
(iii)

{13,26,39,78,79,27}
(iv)

{13,26,39,52,65,78,51,40}
(v)

{13,26,39,52,65,78,64}

Question 24

24.

Find the HCF of
{1980,1260,1920,2940}

(i)

57
(ii)

63
(iii)

61
(iv)

59
(v)

60

Question 25

25.

Find the LCM of
{60,120}

(i)

118
(ii)

121
(iii)

120
(iv)

119
(v)

122

Assignment Key