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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 259 · 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.Which of these is a prime number? (a) 44 (b) 5 (c) 28
  2. 2.How many factors does 12 have?
  3. 3.Which of these is a factor of 20? (a) 16 (b) 8 (c) 2
  4. 4.Which of these is a factor of 48? (a) 36 (b) 3 (c) 27
  5. 5.Which of these is a factor of 18? (a) 6 (b) 16 (c) 12
  6. 6.Is 7 a factor of 80? (a) Yes (b) No
  7. 7.What is the HCF of 12 and 20?
  8. 8.What is the LCM of 7 and 11?
  9. 9.What is the HCF of 15 and 20?
  10. 10.Is 9 a factor of 108? (a) No (b) Yes
  11. 11.Which of these is a factor of 42? (a) 7 (b) 28 (c) 12
  12. 12.Is 5 a factor of 15? (a) Yes (b) No
  13. 13.How many factors does 28 have?
  14. 14.Is 4 a factor of 30? (a) No (b) Yes
  15. 15.How many factors does 18 have?
  16. 16.What is the HCF of 45 and 72?
  17. 17.Which of these is a factor of 24? (a) 7 (b) 2 (c) 14
  18. 18.Which of these is a factor of 40? (a) 20 (b) 6 (c) 28
  19. 19.Which of these is a prime number? (a) 50 (b) 43 (c) 24
  20. 20.Which of these is a factor of 20? (a) 9 (b) 16 (c) 5
  21. 21.Is 4 a factor of 23? (a) Yes (b) No
  22. 22.Is 9 a factor of 77? (a) No (b) Yes
  23. 23.Which of these is a factor of 60? (a) 13 (b) 30 (c) 26
  24. 24.What is the HCF of 18 and 42?
  25. 25.Which of these is a multiple of 10? (a) 36 (b) 20 (c) 44
  26. 26.Which of these is a multiple of 11? (a) 81 (b) 39 (c) 22
  27. 27.What is the HCF of 30 and 48?
  28. 28.Which of these is a multiple of 9? (a) 63 (b) 41 (c) 57
  29. 29.Which of these is a prime number? (a) 30 (b) 2 (c) 14
  30. 30.Which of these is a prime number? (a) 18 (b) 17 (c) 49
  31. 31.Which of these is a factor of 40? (a) 24 (b) 5 (c) 11
  32. 32.How many factors does 10 have?
  33. 33.Which of these is a multiple of 11? (a) 35 (b) 33 (c) 63
  34. 34.Is 4 a factor of 11? (a) Yes (b) No
  35. 35.Which of these is a factor of 30? (a) 5 (b) 26 (c) 13
  36. 36.What is the LCM of 8 and 11?
  37. 37.Which of these is a prime number? (a) 28 (b) 3 (c) 4
  38. 38.What is the LCM of 7 and 8?
  39. 39.Which of these is a multiple of 4? (a) 8 (b) 31 (c) 37
  40. 40.Which of these is a prime number? (a) 16 (b) 22 (c) 11

Answer key

  1. 5
  2. 6
  3. 2
  4. 3
  5. 6
  6. No
  7. 4
  8. 77
  9. 5
  10. Yes
  11. 7
  12. Yes
  13. 6
  14. No
  15. 6
  16. 9
  17. 2
  18. 20
  19. 43
  20. 5
  21. No
  22. No
  23. 30
  24. 6
  25. 20
  26. 22
  27. 6
  28. 63
  29. 2
  30. 17
  31. 5
  32. 4
  33. 33
  34. No
  35. 5
  36. 88
  37. 3
  38. 56
  39. 8
  40. 11

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