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 LCM of
{15,12}

(i)

60
(ii)

63
(iii)

61
(iv)

59
(v)

57

Question 2

2.

Find the number of prime factors of
1408

(i)

4
(ii)

3
(iii)

2
(iv)

1
(v)

0

Question 3

3.

Find the HCF of
{792,840}

(i)

22
(ii)

27
(iii)

25
(iv)

24
(v)

23

Question 4

4.

Find the LCM of
{152,72,32}

(i)

5473
(ii)

5475
(iii)

5471
(iv)

5472
(v)

5470

Question 5

5.

The common multiples of 6 , 4 and 9 =

(i)

{36,72,108,144}
(ii)

{72,108,144,221}
(iii)

{36,72,108,17}
(iv)

{36,72,108,123}
(v)

{72,108,144,7}

Question 6

6.

Find the HCF of
{4,10}

(i)

3
(ii)

(-1)
(iii)

5
(iv)

1
(v)

2

Question 7

7.

The multiples of 13 =

(i)

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

{13,26,39,52,65,78,12,25}
(iii)

{13,39,52,78,51,25}
(iv)

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

{13,39,52,65,78,51}

Question 8

8.

Find the number of prime factors of
22

(i)

3
(ii)

4
(iii)

0
(iv)

1
(v)

2

Question 9

9.

Find the HCF of
{25,14}

(i)

2
(ii)

(-1)
(iii)

4
(iv)

0
(v)

1

Question 10

10.

Find the prime factorization of
52

(i)

2 -1

✕

13
(ii)

2 2

✕

15
(iii)

2

✕

13
(iv)

2 3

✕

13
(v)

2 2

✕

13

Question 11

11.

The factors of 21 =

(i)

{1,3,7,21,6}
(ii)

{1,3,7,21,20,6}
(iii)

{1,7,21,2}
(iv)

{1,7,20,2}
(v)

{1,3,7,21}

Question 12

12.

The common multiples of 5 and 3 =

(i)

{15,30,60,75,90,105,120,4}
(ii)

{15,30,45,60,75,105,120,196}
(iii)

{15,30,45,60,75,90,105,120}
(iv)

{15,30,45,60,90,105,120,110}
(v)

{30,45,60,75,90,105,120,99}

Question 13

13.

Find all common factors of 45 and 31

(i)

{31}
(ii)

{15}
(iii)

{1}
(iv)

{1,31}
(v)

{1,9}

Question 14

14.

Find the product of LCM and HCF of
{14,18,9}

(i)

127
(ii)

123
(iii)

125
(iv)

126
(v)

128

Question 15

15.

Find the LCM of
{420,1200}

(i)

8403
(ii)

8399
(iii)

8398
(iv)

8400
(v)

8401

Question 16

16.

Find the HCF of
{35,14,10,15}

(i)

(-1)
(ii)

1
(iii)

3
(iv)

2
(v)

0

Question 17

17.

The factors of 15 =

(i)

{1,3,5,15,4}
(ii)

{1,3,5,15}
(iii)

{1,3,5,15,4,2}
(iv)

{1,5,15,2}
(v)

{1,5,2,14}

Question 18

18.

The factors of 100 =

(i)

{1,2,4,5,10,20,25,50,100,99}
(ii)

{1,2,4,10,20,25,50,100,99}
(iii)

{1,2,4,5,10,20,25,50,100}
(iv)

{2,4,5,20,25,50,100,21,11}
(v)

{1,2,4,5,10,20,25,50,100,11,51}

Question 19

19.

Find the product of LCM and HCF of
{25,15}

(i)

374
(ii)

378
(iii)

375
(iv)

373
(v)

376

Question 20

20.

Find all common factors of 7 and 19

(i)

{19}
(ii)

{1,7}
(iii)

{1}
(iv)

{7}
(v)

{1,19}

Question 21

21.

Find all common factors of 46 , 48 and 6

(i)

{1,8}
(ii)

{1,2}
(iii)

{1,23}
(iv)

{1,2,4}
(v)

{1,2,46}

Question 22

22.

The factors of 67 =

(i)

{1,67}
(ii)

{1,66}
(iii)

{1,67,2}
(iv)

{2,66}
(v)

{1,67,66,2}

Question 23

23.

Find the HCF of
{2580,2100,600}

(i)

62
(ii)

60
(iii)

58
(iv)

59
(v)

61

Question 24

24.

Find the prime factorization of
2400

(i)

2 5

✕

2

✕

5 2
(ii)

2 5

✕

3

✕

5 3
(iii)

5 5

✕

3

✕

5 2
(iv)

2 5

✕

3

✕

5 2
(v)

(-1) 5

✕

3

✕

5 2

Question 25

25.

Find the HCF of
{72,30}

(i)

7
(ii)

8
(iii)

5
(iv)

3
(v)

6

Assignment Key