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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 131 · 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 4 and 15?
  2. 2.Which of these is a factor of 42? (a) 9 (b) 2 (c) 8
  3. 3.What is the HCF of 12 and 32?
  4. 4.Which of these is a factor of 42? (a) 5 (b) 38 (c) 6
  5. 5.Which of these is a multiple of 7? (a) 36 (b) 35 (c) 18
  6. 6.Which of these is a multiple of 8? (a) 75 (b) 66 (c) 24
  7. 7.Which of these is a multiple of 6? (a) 15 (b) 36 (c) 26
  8. 8.Which of these is a multiple of 9? (a) 65 (b) 36 (c) 64
  9. 9.Which of these is a factor of 30? (a) 27 (b) 3 (c) 17
  10. 10.What is the LCM of 7 and 9?
  11. 11.Which of these is a factor of 42? (a) 5 (b) 22 (c) 3
  12. 12.Which of these is a prime number? (a) 10 (b) 37 (c) 8
  13. 13.Which of these is a factor of 48? (a) 11 (b) 29 (c) 12
  14. 14.Is 4 a factor of 49? (a) Yes (b) No
  15. 15.Is 5 a factor of 55? (a) Yes (b) No
  16. 16.Which of these is a factor of 20? (a) 17 (b) 4 (c) 3
  17. 17.Which of these is a factor of 36? (a) 9 (b) 19 (c) 25
  18. 18.Which of these is a prime number? (a) 31 (b) 14 (c) 9
  19. 19.Which of these is a prime number? (a) 42 (b) 20 (c) 23
  20. 20.What is the LCM of 2 and 15?
  21. 21.Is 5 a factor of 57? (a) No (b) Yes
  22. 22.What is the LCM of 10 and 15?
  23. 23.Which of these is a prime number? (a) 4 (b) 2 (c) 36
  24. 24.Which of these is a multiple of 11? (a) 55 (b) 57 (c) 37
  25. 25.Which of these is a factor of 18? (a) 14 (b) 17 (c) 6
  26. 26.What is the LCM of 9 and 10?
  27. 27.Is 6 a factor of 36? (a) Yes (b) No
  28. 28.Which of these is a multiple of 7? (a) 15 (b) 63 (c) 45
  29. 29.What is the LCM of 2 and 3?
  30. 30.What is the HCF of 9 and 36?
  31. 31.Which of these is a prime number? (a) 28 (b) 43 (c) 20
  32. 32.What is the LCM of 6 and 7?
  33. 33.What is the HCF of 21 and 24?
  34. 34.What is the LCM of 4 and 6?
  35. 35.Is 2 a factor of 13? (a) Yes (b) No
  36. 36.How many factors does 48 have?
  37. 37.Which of these is a factor of 30? (a) 10 (b) 23 (c) 22
  38. 38.How many factors does 30 have?
  39. 39.Which of these is a factor of 40? (a) 31 (b) 5 (c) 22
  40. 40.What is the HCF of 15 and 25?

Answer key

  1. 60
  2. 2
  3. 4
  4. 6
  5. 35
  6. 24
  7. 36
  8. 36
  9. 3
  10. 63
  11. 3
  12. 37
  13. 12
  14. No
  15. Yes
  16. 4
  17. 9
  18. 31
  19. 23
  20. 30
  21. No
  22. 30
  23. 2
  24. 55
  25. 6
  26. 90
  27. Yes
  28. 63
  29. 6
  30. 9
  31. 43
  32. 42
  33. 3
  34. 12
  35. No
  36. 10
  37. 10
  38. 8
  39. 5
  40. 5

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