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CBSE Class 4 Maths Worksheet

HCF and LCM

1.
Find the HCF of the following by division method: 15 and 25
2.
State True/False: The HCF of 3 and 9 is 3 and LCM is 9.
A) true B) false
3.
Choose the correct answer: HCF of 8 and 12 is _____
A) 5 B) 4 C) 8
4.
State True/False: The prime factorisation of 88 is 2 x 2 x 11.
A) true B) false
5.
Find the HCF of the following by division method: 16 and 23
6.
Find the HCF of the following by division method: 18 and 24
7.

HCF of 36 and 84 is

A)

4

 B)

6

 C)

12

 D)

18
8.
Following are the factors of two numbers, find the HCF: 7 X 7 and 7 X 7 X 7
9.
Find the HCF by Prime Factorisation Method: 36 and 12
10.
Find the LCM of the following by using prime factorization: 5 and 10
11.
State True/False: The HCF of 12 and 14 is 4 and LCM is14.
A) true B) false
12.
Following are the factors of two numbers, find the HCF: 2 X 3 X 3 X 5 and 2 X 3 X 3 X 5
13.
Following are the factors of two numbers, find the HCF: 3 X 3 X 5 X 7 and 3 X 5 X 5
14.
Find the HCF of the following by division method: 12 and 18
15.
Find the HCF of the following by division method: 9 and 12
16.
Find the LCM of the following by using prime factorization: 8 and 12
17.
State True/False: The LCM of 22 and 23 is 1.
A) true B) false
18.
Find the LCM of : 2 X 2 X 7 and 2 X 3 X 7
19.
Find the HCF by Prime Factorisation Method: 24 and 40
20.
Find the LCM of the following by using prime factorization: 4 and 6

CBSE Class 4 Maths Worksheet

HCF and LCM

Answers

1.
5
2.
Option A
3.
Option B
4.
Option B

5.
1
6.
6
7.
Option C

8.
49
9.
12
10.
10
11.
Option B

12.
30
13.
15
14.
6
15.
3
16.
24
17.
Option B

18.
84
19.
8
20.
12
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