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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 288 · 40 sums
TalentJR

The method (List and match): Factor: divides with no remainder. Multiple: appears in the table. HCF: list the factors of both numbers; take the biggest one they share. LCM: list the multiples of the bigger number; take the first one the smaller number also divides. Prime: exactly 2 factors (2, 3, 5, 7, 11 …). 1 is not prime.

NameDateTime takenScore ___ / 40
  1. 1.What is the HCF of 21 and 49?
  2. 2.Which of these is a prime number? (a) 7 (b) 46 (c) 26
  3. 3.What is the HCF of 15 and 18?
  4. 4.Is 9 a factor of 33? (a) No (b) Yes
  5. 5.Which of these is a factor of 40? (a) 8 (b) 38 (c) 28
  6. 6.How many factors does 24 have?
  7. 7.What is the HCF of 16 and 40?
  8. 8.Which of these is a multiple of 10? (a) 80 (b) 47 (c) 48
  9. 9.How many factors does 16 have?
  10. 10.What is the LCM of 2 and 9?
  11. 11.Which of these is a prime number? (a) 11 (b) 45 (c) 46
  12. 12.Which of these is a factor of 20? (a) 7 (b) 2 (c) 18
  13. 13.What is the HCF of 12 and 15?
  14. 14.What is the HCF of 15 and 40?
  15. 15.What is the HCF of 6 and 15?
  16. 16.What is the LCM of 10 and 14?
  17. 17.What is the LCM of 7 and 12?
  18. 18.What is the HCF of 4 and 32?
  19. 19.Which of these is a prime number? (a) 42 (b) 40 (c) 19
  20. 20.Is 3 a factor of 30? (a) Yes (b) No
  21. 21.Which of these is a multiple of 12? (a) 44 (b) 72 (c) 109
  22. 22.Which of these is a prime number? (a) 16 (b) 6 (c) 31
  23. 23.What is the LCM of 5 and 13?
  24. 24.Is 6 a factor of 37? (a) No (b) Yes
  25. 25.Which of these is a factor of 48? (a) 35 (b) 16 (c) 18
  26. 26.Which of these is a multiple of 5? (a) 23 (b) 18 (c) 45
  27. 27.What is the HCF of 14 and 18?
  28. 28.Which of these is a factor of 48? (a) 22 (b) 8 (c) 31
  29. 29.What is the LCM of 4 and 13?
  30. 30.Which of these is a factor of 48? (a) 17 (b) 3 (c) 10
  31. 31.Is 8 a factor of 40? (a) No (b) Yes
  32. 32.What is the HCF of 9 and 81?
  33. 33.Which of these is a multiple of 4? (a) 16 (b) 34 (c) 37
  34. 34.What is the LCM of 3 and 4?
  35. 35.Which of these is a multiple of 7? (a) 43 (b) 48 (c) 42
  36. 36.What is the HCF of 20 and 45?
  37. 37.Which of these is a multiple of 9? (a) 67 (b) 54 (c) 80
  38. 38.Which of these is a multiple of 3? (a) 11 (b) 9 (c) 19
  39. 39.What is the LCM of 10 and 12?
  40. 40.Which of these is a multiple of 6? (a) 22 (b) 54 (c) 31

Answer key

  1. 7
  2. 7
  3. 3
  4. No
  5. 8
  6. 8
  7. 8
  8. 80
  9. 5
  10. 18
  11. 11
  12. 2
  13. 3
  14. 5
  15. 3
  16. 70
  17. 84
  18. 4
  19. 19
  20. Yes
  21. 72
  22. 31
  23. 65
  24. No
  25. 16
  26. 45
  27. 2
  28. 8
  29. 52
  30. 3
  31. Yes
  32. 9
  33. 16
  34. 12
  35. 42
  36. 5
  37. 54
  38. 9
  39. 60
  40. 54

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