EduSahara™ Worksheet

EduSahara™ Worksheet

Name : Chapter Based Worksheet

Chapter : Factors and Multiples

Grade : ICSE Grade VII

License : Non Commercial Use

Question 1

1.

Find the total number of factors of
4620

(i)

46
(ii)

48
(iii)

50
(iv)

49
(v)

47

Question 2

2.

Which of the following is a prime number?

(i)

49
(ii)

18
(iii)

28
(iv)

7
(v)

14

Question 3

3.

Find the LCM of
{15,18,4}

(i)

180
(ii)

179
(iii)

177
(iv)

183
(v)

181

Question 4

4.

Which of the following is an odd number?

(i)

22
(ii)

46
(iii)

40
(iv)

45
(v)

18

Question 5

5.

Find the product of LCM and HCF of
{26,10}

(i)

263
(ii)

258
(iii)

259
(iv)

261
(v)

260

Question 6

6.

Find the LCM of
{6,9}

(i)

16
(ii)

21
(iii)

17
(iv)

18
(v)

19

Question 7

7.

Find all common factors of 17 and 23

(i)

{1}
(ii)

{23}
(iii)

{1,23}
(iv)

{17}
(v)

{1,17}

Question 8

8.

Find the product of LCM and HCF of
{4,6}

(i)

23
(ii)

27
(iii)

22
(iv)

24
(v)

25

Question 9

9.

Find the LCM of
{9,4}

(i)

39
(ii)

37
(iii)

36
(iv)

34
(v)

35

Question 10

10.

Find the number of prime factors of
4200

(i)

3
(ii)

2
(iii)

4
(iv)

5
(v)

7

Question 11

11.

Find the total number of factors of
36

(i)

11
(ii)

9
(iii)

8
(iv)

10
(v)

6

Question 12

12.

Find the HCF of
{204,276,564}

(i)

11
(ii)

15
(iii)

13
(iv)

9
(v)

12

Question 13

13.

Find the prime factorization of
8736

(i)

2 5

✕

3

✕

7

✕

13 2
(ii)

2 5

✕

3 -1

✕

7

✕

13
(iii)

2 5

✕

3

✕

7

✕

13
(iv)

2 5

✕

3

✕

6

✕

13
(v)

2 5

✕

6

✕

7

✕

13

Question 14

14.

Find the total number of factors of
88

(i)

5
(ii)

7
(iii)

8
(iv)

9
(v)

10

Question 15

15.

Find all common factors of 35 , 18 and 34

(i)

{35}
(ii)

{1}
(iii)

{1,3}
(iv)

{1,5}
(v)

{9}

Question 16

16.

Find the HCF of
{1380,1080,1920,1620}

(i)

62
(ii)

59
(iii)

60
(iv)

57
(v)

61

Question 17

17.

Find the HCF of
{96,24}

(i)

26
(ii)

23
(iii)

24
(iv)

22
(v)

25

Question 18

18.

Find the number of prime factors of
10

(i)

1
(ii)

2
(iii)

4
(iv)

0
(v)

3

Question 19

19.

The common multiples of 7 and 9 =

(i)

{63,126,252,26}
(ii)

{63,126,189,252}
(iii)

{63,126,252,202}
(iv)

{63,189,252,271}
(v)

{63,126,189,36}

Question 20

20.

Which of the following is an even number?

(i)

9
(ii)

27
(iii)

49
(iv)

22
(v)

45

Question 21

21.

The multiples of 19 =

(i)

{19,76,95,114,75,20}
(ii)

{19,38,57,76,95,114}
(iii)

{19,38,57,76,95,114,56,94}
(iv)

{19,38,57,76,114,56}
(v)

{19,38,57,76,95,114,113}

Question 22

22.

Find the product of LCM and HCF of
{9,22,26,8}

(i)

10299
(ii)

10297
(iii)

10296
(iv)

10293
(v)

10295

Question 23

23.

Find the prime factorization of
81

(i)

3 4
(ii)

3 3
(iii)

3 5
(iv)

5 4
(v)

3 2

Question 24

24.

The factors of 83 =

(i)

{1,83,82,2}
(ii)

{1,83,82}
(iii)

{83,2}
(iv)

{82,2}
(v)

{1,83}

Question 25

25.

The common multiples of 8 , 6 and 4 =

(i)

{24,48,72,120,144,103}
(ii)

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

{24,72,96,120,144,175}
(iv)

{48,72,96,120,144,83}
(v)

{48,72,96,120,144,153}

Assignment Key