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 prime factorization of
4200

(i)

2 3

✕

5

✕

5 2

✕

7
(ii)

(-1) 3

✕

3

✕

5 2

✕

7
(iii)

2 3

✕

3

✕

5 3

✕

7
(iv)

2 3

✕

3

✕

5 2

✕

7
(v)

2 3

✕

3

✕

5

✕

7

Question 2

2.

Which of the following is a prime number?

(i)

29
(ii)

26
(iii)

36
(iv)

21
(v)

34

Question 3

3.

Find the HCF of
{14,15}

(i)

0
(ii)

1
(iii)

2
(iv)

(-1)
(v)

3

Question 4

4.

The common multiples of 5 and 7 =

(i)

{35,70,140,175,44}
(ii)

{70,105,140,175,156}
(iii)

{35,70,140,175,13}
(iv)

{35,70,105,140,175}
(v)

{35,105,140,175,260}

Question 5

5.

The factors of 97 =

(i)

{1,97,96}
(ii)

{1,96}
(iii)

{96,2}
(iv)

{1,97,96,2}
(v)

{1,97}

Question 6

6.

Find the LCM of
{255,285,180,195}

(i)

755821
(ii)

755817
(iii)

755822
(iv)

755819
(v)

755820

Question 7

7.

Find the LCM of
{18,6}

(i)

19
(ii)

18
(iii)

17
(iv)

16
(v)

20

Question 8

8.

The common multiples of 6 , 9 and 8 =

(i)

{144,216,229}
(ii)

{144,216,298}
(iii)

{72,216,170}
(iv)

{72,144,216}
(v)

{72,216,77}

Question 9

9.

The factors of 23 =

(i)

{1,23,2,22}
(ii)

{1,23}
(iii)

{22,2}
(iv)

{1,23,2}
(v)

{1,22}

Question 10

10.

Find the LCM of
{96,168}

(i)

674
(ii)

672
(iii)

673
(iv)

669
(v)

671

Question 11

11.

Find the number of prime factors of
36

(i)

1
(ii)

0
(iii)

4
(iv)

2
(v)

3

Question 12

12.

Find the total number of factors of
15

(i)

3
(ii)

5
(iii)

1
(iv)

4
(v)

6

Question 13

13.

Find all common factors of 19 and 11

(i)

{1,11}
(ii)

{11}
(iii)

{19}
(iv)

{1}
(v)

{1,19}

Question 14

14.

The multiples of 8 =

(i)

{8,16,24,32,40,48,41,47}
(ii)

{8,16,24,32,40,48}
(iii)

{8,16,32,48,15,33}
(iv)

{8,16,24,32,40,48,9}
(v)

{8,24,32,40,48,33}

Question 15

15.

Find the total number of factors of
80

(i)

11
(ii)

7
(iii)

10
(iv)

12
(v)

9

Question 16

16.

Find the product of LCM and HCF of
{20,9,14}

(i)

1261
(ii)

1257
(iii)

1260
(iv)

1263
(v)

1259

Question 17

17.

The factors of 34 =

(i)

{1,2,34}
(ii)

{2,17,1,33}
(iii)

{1,2,17,34,16}
(iv)

{1,2,17,34,16,33}
(v)

{1,2,17,34}

Question 18

18.

Find the LCM of
{4,6}

(i)

9
(ii)

12
(iii)

15
(iv)

11
(v)

13

Question 19

19.

Find the total number of factors of
396

(i)

19
(ii)

18
(iii)

15
(iv)

20
(v)

17

Question 20

20.

Find the product of LCM and HCF of
{6,8}

(i)

51
(ii)

47
(iii)

48
(iv)

49
(v)

46

Question 21

21.

The multiples of 13 =

(i)

{13,26,39,65,78,25}
(ii)

{13,26,39,52,65,78,38,14}
(iii)

{13,26,39,52,65,78,25}
(iv)

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

{13,39,65,78,79,25}

Question 22

22.

Find all common factors of 27 , 16 and 35

(i)

{4}
(ii)

{1,8}
(iii)

{1}
(iv)

{1,27}
(v)

{3}

Question 23

23.

Find the total number of factors of
2646

(i)

21
(ii)

24
(iii)

26
(iv)

23
(v)

25

Question 24

24.

Find the prime factorization of
18

(i)

5

✕

3 2
(ii)

2

✕

3 2
(iii)

2 -1

✕

3 2
(iv)

2

✕

3 3
(v)

1

✕

3 2

Question 25

25.

Find the prime factorization of
64

(i)

5 6
(ii)

2 4
(iii)

2 5
(iv)

2 7
(v)

2 6

Assignment Key