EduSahara™ Worksheet

EduSahara™ Assignment

Name : HCF

Chapter : Factors and Multiples

Grade : ICSE Grade VI

License : Non Commercial Use

Question 1

1.

Find all common factors of 11 and 23

(i)

{1,11}
(ii)

{1}
(iii)

{11}
(iv)

{1,23}
(v)

{23}

Question 2

2.

Find all common factors of 2 , 28 and 36

(i)

{1,2}
(ii)

{1,2,7}
(iii)

{1,2,0}
(iv)

{1,28}
(v)

{2,0}

Question 3

3.

Find all common factors of 23 and 41

(i)

{23}
(ii)

{41}
(iii)

{1,41}
(iv)

{1,23}
(v)

{1}

Question 4

4.

Find all common factors of 38 , 32 and 8

(i)

{2,19}
(ii)

{1,2,38}
(iii)

{1,2,32}
(iv)

{1,16}
(v)

{1,2}

Question 5

5.

Find the HCF of
{4,15}

(i)

1
(ii)

0
(iii)

4
(iv)

(-1)
(v)

2

Question 6

6.

Find the HCF of
{28,8}

(i)

5
(ii)

2
(iii)

3
(iv)

4
(v)

6

Question 7

7.

Find the HCF of
{44,32,16}

(i)

3
(ii)

6
(iii)

4
(iv)

5
(v)

2

Question 8

8.

Find the HCF of
{25,45,39,10}

(i)

0
(ii)

1
(iii)

4
(iv)

2
(v)

(-2)

Question 9

9.

Find the HCF of
{220,80}

(i)

19
(ii)

21
(iii)

22
(iv)

18
(v)

20

Question 10

10.

Find the HCF of
{1440,1200}

(i)

242
(ii)

240
(iii)

239
(iv)

238
(v)

241

Question 11

11.

Find the HCF of
{16,48,160}

(i)

16
(ii)

15
(iii)

14
(iv)

18
(v)

17

Question 12

12.

Find the HCF of
{180,100,480,490}

(i)

10
(ii)

8
(iii)

13
(iv)

11
(v)

9

Assignment Key