Factors, multiples and primes practice
Name Date
Show your working. The answer key is on the next page.
- 1. What is the least common multiple of 24 and 36?
- 2. What is the least common multiple of 9 and 39?
- 3. What is the least common multiple of 36 and 32?
- 4. What is the least common multiple of 58 and 52?
- 5. What is the least common multiple of 56 and 26?
- 6. What is the least common multiple of 57 and 39?
- 7. What is the least common multiple of 39 and 45?
- 8. What is the least common multiple of 52 and 16?
- 9. What is the least common multiple of 30 and 33?
- 10. What is the least common multiple of 56 and 20?
- 11. What is the least common multiple of 30 and 51?
- 12. What is the least common multiple of 35 and 25?
- 13. What is the least common multiple of 26 and 60?
- 14. What is the least common multiple of 50 and 18?
- 15. What is the least common multiple of 30 and 48?
- 16. What is the least common multiple of 46 and 32?
- 17. What is the least common multiple of 21 and 15?
- 18. What is the least common multiple of 16 and 10?
- 19. What is the least common multiple of 33 and 21?
- 20. What is the least common multiple of 40 and 52?
- 21. What is the least common multiple of 21 and 18?
- 22. What is the least common multiple of 38 and 57?
- 23. What is the least common multiple of 50 and 42?
- 24. What is the least common multiple of 18 and 48?
Factors, multiples and primes practice
Name Date
Answer key
- 1. What is the least common multiple of 24 and 36? 72
- 2. What is the least common multiple of 9 and 39? 117
- 3. What is the least common multiple of 36 and 32? 288
- 4. What is the least common multiple of 58 and 52? 1508
- 5. What is the least common multiple of 56 and 26? 728
- 6. What is the least common multiple of 57 and 39? 741
- 7. What is the least common multiple of 39 and 45? 585
- 8. What is the least common multiple of 52 and 16? 208
- 9. What is the least common multiple of 30 and 33? 330
- 10. What is the least common multiple of 56 and 20? 280
- 11. What is the least common multiple of 30 and 51? 510
- 12. What is the least common multiple of 35 and 25? 175
- 13. What is the least common multiple of 26 and 60? 780
- 14. What is the least common multiple of 50 and 18? 450
- 15. What is the least common multiple of 30 and 48? 240
- 16. What is the least common multiple of 46 and 32? 736
- 17. What is the least common multiple of 21 and 15? 105
- 18. What is the least common multiple of 16 and 10? 80
- 19. What is the least common multiple of 33 and 21? 231
- 20. What is the least common multiple of 40 and 52? 520
- 21. What is the least common multiple of 21 and 18? 126
- 22. What is the least common multiple of 38 and 57? 114
- 23. What is the least common multiple of 50 and 42? 1050
- 24. What is the least common multiple of 18 and 48? 144