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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 149 · 40 sums
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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 LCM of 6 and 11?
  2. 2.What is the HCF of 18 and 27?
  3. 3.What is the HCF of 20 and 32?
  4. 4.What is the LCM of 2 and 11?
  5. 5.Which of these is a factor of 40? (a) 15 (b) 2 (c) 6
  6. 6.How many factors does 20 have?
  7. 7.Is 9 a factor of 18? (a) Yes (b) No
  8. 8.What is the HCF of 5 and 15?
  9. 9.What is the LCM of 6 and 7?
  10. 10.What is the LCM of 6 and 8?
  11. 11.What is the LCM of 3 and 5?
  12. 12.Which of these is a multiple of 6? (a) 22 (b) 42 (c) 56
  13. 13.Which of these is a factor of 20? (a) 7 (b) 2 (c) 17
  14. 14.Which of these is a factor of 30? (a) 19 (b) 2 (c) 22
  15. 15.Is 4 a factor of 9? (a) No (b) Yes
  16. 16.Which of these is a prime number? (a) 22 (b) 26 (c) 37
  17. 17.Which of these is a multiple of 12? (a) 112 (b) 81 (c) 84
  18. 18.Which of these is a multiple of 9? (a) 22 (b) 40 (c) 54
  19. 19.Which of these is a prime number? (a) 10 (b) 11 (c) 15
  20. 20.Which of these is a prime number? (a) 45 (b) 16 (c) 7
  21. 21.Which of these is a factor of 18? (a) 11 (b) 14 (c) 2
  22. 22.Which of these is a multiple of 3? (a) 11 (b) 15 (c) 16
  23. 23.Is 4 a factor of 23? (a) Yes (b) No
  24. 24.What is the HCF of 24 and 42?
  25. 25.How many factors does 40 have?
  26. 26.Which of these is a multiple of 9? (a) 68 (b) 22 (c) 72
  27. 27.Which of these is a multiple of 5? (a) 40 (b) 12 (c) 41
  28. 28.What is the LCM of 8 and 11?
  29. 29.Which of these is a factor of 20? (a) 5 (b) 6 (c) 14
  30. 30.Which of these is a prime number? (a) 10 (b) 44 (c) 47
  31. 31.Which of these is a factor of 48? (a) 12 (b) 13 (c) 47
  32. 32.How many factors does 36 have?
  33. 33.Which of these is a multiple of 11? (a) 23 (b) 85 (c) 99
  34. 34.What is the HCF of 4 and 28?
  35. 35.What is the LCM of 3 and 4?
  36. 36.Is 2 a factor of 18? (a) Yes (b) No
  37. 37.What is the HCF of 35 and 40?
  38. 38.Which of these is a multiple of 5? (a) 21 (b) 45 (c) 23
  39. 39.Is 8 a factor of 64? (a) No (b) Yes
  40. 40.Which of these is a prime number? (a) 31 (b) 50 (c) 6

Answer key

  1. 66
  2. 9
  3. 4
  4. 22
  5. 2
  6. 6
  7. Yes
  8. 5
  9. 42
  10. 24
  11. 15
  12. 42
  13. 2
  14. 2
  15. No
  16. 37
  17. 84
  18. 54
  19. 11
  20. 7
  21. 2
  22. 15
  23. No
  24. 6
  25. 8
  26. 72
  27. 40
  28. 88
  29. 5
  30. 47
  31. 12
  32. 9
  33. 99
  34. 4
  35. 12
  36. Yes
  37. 5
  38. 45
  39. Yes
  40. 31

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