CBSE Class 5 Maths Worksheet
HCF and LCM
1.
Find HCF using common division method: 56, 84, 154
2.
Using division method find the HCF of the following numbers: 75, 100, 140
3.
Using short division method find the LCM of the following : 28, 42, 56
4.
The product of two numbers is 720. If their HCF is 8, find their LCM
5.
Guess who I am? I am a 2 digit number and common multiple of 12, 24 and 48. I am greater than 75 and less than 100.
6.
Using short division method find the LCM of the following : 32, 48
7.
The HCF of two numbers is 144 and their LCM is 2880. If one number is 720. Find the other number.
8.
Find HCF using common division method: 165, 220
9.
Using short division method find the LCM of the following : 42, 70
10.
Find the least number which is exactly divisible by each one of the number 12, 16 and 24
11.
Using prime factorization method find the HCF of the following: 24, 32
12.
Using prime factorization method find the LCM of the following numbers: 48, 72
13.
Find the common multiples of 18 and 24 greater than 100 and less than 200.
14.
Using division method find the HCF of the following numbers: 81, 108
15.
Using prime factorization method find the HCF of the following: 18, 24, 30
16.
Using prime factorization method find the LCM of the following numbers: 36, 108
17.
Using short division method find the LCM of the following : 25, 30
18.
The LCM and product of two numbers is 72 and 864 respectively. Find their HCF.
19.
Find the largest number which divides 209 and 260 leaving remainder 5 in each case.
20.
The HCF and LCM of two numbers is 6 and 864 respectively if one number is 96 find the other number?
CBSE Class 5 Maths Worksheet
HCF and LCM
Answers
1.
14
2.
5
3.
168
4.
90
5.
96
6.
96
7.
576
8.
55
9.
210
10.
48
11.
9
12.
144
13.
144
14.
27
15.
6
16.
108
17.
150
18.
12
19.
51
Solution:
The numbers are : 209-5=204, 260-5=255. Now HCF of 204 and 255 = 51
20.
54
