EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Factors and Multiples
Grade : ICSE Grade VI
License : Non Commercial Use
Question
1
1.
The factors of 24 =
(i)
{1,2,3,4,6,8,12,24,23}
(ii)
{2,3,4,6,8,12,24,23}
(iii)
{1,2,3,4,6,8,12,24,23,11}
(iv)
{1,2,4,6,12,24,23,7}
(v)
{1,2,3,4,6,8,12,24}
Question
2
2.
Find the LCM of
{40,32}
(i)
161
(ii)
160
(iii)
162
(iv)
158
(v)
159
Question
3
3.
Find all common factors of 26 , 34 and 46
(i)
{1,34}
(ii)
{1,2,26}
(iii)
{1,2}
(iv)
{1,13}
(v)
{1,2,17}
Question
4
4.
Find the HCF of
{840,1050}
(i)
211
(ii)
210
(iii)
208
(iv)
209
(v)
213
Question
5
5.
The common multiples of 7 and 5 =
(i)
{70,105,140,175,55}
(ii)
{70,105,140,175,154}
(iii)
{35,70,105,140,175}
(iv)
{70,105,140,175,76}
(v)
{35,105,140,175,78}
Question
6
6.
Find the product of LCM and HCF of
{28,14,27}
(i)
758
(ii)
754
(iii)
755
(iv)
756
(v)
757
Question
7
7.
Find the HCF of
{204,132}
(i)
11
(ii)
12
(iii)
13
(iv)
10
(v)
14
Question
8
8.
Find the product of LCM and HCF of
{6,9}
(i)
56
(ii)
54
(iii)
53
(iv)
52
(v)
55
Question
9
9.
Find the number of prime factors of
320
(i)
4
(ii)
2
(iii)
3
(iv)
1
(v)
0
Question
10
10.
Find the LCM of
{12,15,16,4}
(i)
237
(ii)
239
(iii)
240
(iv)
243
(v)
241
Question
11
11.
Find the total number of factors of
77
(i)
5
(ii)
3
(iii)
1
(iv)
4
(v)
7
Question
12
12.
The factors of 32 =
(i)
{1,2,4,8,16,32}
(ii)
{1,2,4,8,16,32,3,17}
(iii)
{1,2,4,8,16,32,17}
(iv)
{1,2,4,8,32}
(v)
{1,2,4,16,31,3}
Question
13
13.
The multiples of 15 =
(i)
{15,30,45,60,75,90,14}
(ii)
{30,45,60,90,46,59}
(iii)
{15,30,45,60,75,90}
(iv)
{15,30,45,60,75,90,59,29}
(v)
{15,30,60,75,90,14}
Question
14
14.
Find the HCF of
{690,810,780,540}
(i)
27
(ii)
29
(iii)
31
(iv)
30
(v)
33
Question
15
15.
Find the product of LCM and HCF of
{8,4}
(i)
31
(ii)
29
(iii)
32
(iv)
33
(v)
34
Question
16
16.
The factors of 31 =
(i)
{1,31}
(ii)
{1,31,30,2}
(iii)
{31,30}
(iv)
{1,31,30}
(v)
{30,2}
Question
17
17.
Find all common factors of 27 and 23
(i)
{1}
(ii)
{1,9}
(iii)
{23}
(iv)
{1,23}
(v)
{3}
Question
18
18.
Find all common factors of 37 and 5
(i)
{1,5}
(ii)
{5}
(iii)
{37}
(iv)
{1}
(v)
{1,37}
Question
19
19.
Find the prime factorization of
6
(i)
5
✕
3
(ii)
1
✕
3
(iii)
2
2
✕
3
(iv)
-1
✕
3
(v)
2
✕
3
Question
20
20.
Find the LCM of
{4,8}
(i)
11
(ii)
9
(iii)
6
(iv)
7
(v)
8
Question
21
21.
Find the number of prime factors of
50
(i)
4
(ii)
1
(iii)
2
(iv)
3
(v)
0
Question
22
22.
Find the number of prime factors of
2688
(i)
2
(ii)
1
(iii)
0
(iv)
4
(v)
3
Question
23
23.
The multiples of 19 =
(i)
{19,38,57,76,95,114,37,115}
(ii)
{19,38,57,95,114,37}
(iii)
{19,38,57,76,95,114,18}
(iv)
{19,38,57,76,95,114}
(v)
{19,57,76,95,94,115}
Question
24
24.
Find the LCM of
{240,285,225,165}
(i)
752400
(ii)
752399
(iii)
752401
(iv)
752403
(v)
752397
Question
25
25.
The common multiples of 6 , 2 and 4 =
(i)
{12,24,36,48,60,43}
(ii)
{12,36,48,60,72,233}
(iii)
{12,24,48,60,72,57}
(iv)
{12,24,36,48,60,72}
(v)
{12,24,36,48,72,193}
Assignment Key
1) (v)
2) (ii)
3) (iii)
4) (ii)
5) (iii)
6) (iv)
7) (ii)
8) (ii)
9) (ii)
10) (iii)
11) (iv)
12) (i)
13) (iii)
14) (iv)
15) (iii)
16) (i)
17) (i)
18) (iv)
19) (v)
20) (v)
21) (iii)
22) (v)
23) (iv)
24) (i)
25) (iv)