# (ICSE-CBSE) LCM Questions For Class 6 7 8 With Answers 2023

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Welcome to our guide on LCM (Least Common Multiple) Questions With Answers! If you’re looking to enhance your understanding of LCM or practice solving LCM problems, you’ve come to the right place. In this comprehensive resource, we have compiled a collection of LCM questions for you, accompanied by their corresponding answers.

Contents

## LCM Questions For Class 6 7 8 With Answers

1. Find the LCM of 12 and 15.

Ans: 60

2. Find the LCM of 8 and 10.

Ans: 40

3. Find the LCM of 6, 9, and 12

Ans: 36

4. Find the LCM of 7, 14, and 21.

Ans: 42

5. Find the LCM of 3, 5, and 7.

Ans: 105

6. Find the LCM of 8, 16, and 24.

Ans: 48

7. Find the LCM of 14 and 28.

Ans: 28

8. Find the LCM of 18 and 24.

Ans: 72

9. Find the LCM of 16, 20, and 24.

Ans: 240

10. Find the LCM of 11, 22, and 33.

Ans: 66

11. Find the LCM of 30 and 45.

Ans: 90

12. Find the LCM of 36 and 48.

Ans: 144

13. Find the LCM of 42 and 56.

Ans: 168

14. Find the LCM of 50 and 75.

Ans: 150

15. Find the LCM of 63 and 84.

Ans: 252

16. Find the LCM of 80, 120, and 160.

Ans: 480

17. Find the LCM of 18, 24, and 36.

Ans: 72

18. Find the LCM of 30, 42, and 56.

Ans: 840

19. Find the LCM of 36, 48, and 72.

Ans: 144

20. Find the LCM of 45, 60, and 75.

Ans: 300

21. Find the LCM of 56, 70, and 84.

Ans: 840

22. Find the LCM of 66, 78, and 92.

Ans: 2,748

23. Find the LCM of 80, 90, and 100.

Ans: 900

24. Find the LCM of 108, 144, and 180.

Ans: 1,440

24. Find the LCM of 126, 180, and 210.

Ans: 1,260

25. Find the LCM of 160, 200, and 240.

Ans: 1,920

## FAQ

### What is the LCM of 25, 30, 35, and 40?

The LCM of 25, 30, 35, and 40 is 300.

### What is the LCM of 96 and 100?

The LCM of 96 and 100 is 2,400.

### What is the LCM of 24 and 42?

The LCM of 24 and 42 is 168.

### Can LCM be smaller than the given numbers?

No, the LCM is always equal to or greater than the given numbers. It is the smallest multiple that is common to all the numbers.

### How can prime factorization help in finding the LCM?

Prime factorization helps to find the LCM by identifying the prime factors of each number and multiplying the highest powers of those factors.

### Can the LCM of two numbers be their product?

Yes, if two numbers are relatively prime (i.e., they have no common factors except 1), then their LCM is equal to their product.