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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 280 · 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) 49 (b) 16 (c) 37
  2. 2.Which of these is a prime number? (a) 4 (b) 21 (c) 47
  3. 3.What is the LCM of 2 and 7?
  4. 4.What is the LCM of 3 and 14?
  5. 5.Which of these is a factor of 18? (a) 10 (b) 6 (c) 12
  6. 6.How many factors does 14 have?
  7. 7.Which of these is a prime number? (a) 26 (b) 19 (c) 14
  8. 8.Which of these is a factor of 36? (a) 33 (b) 3 (c) 27
  9. 9.Is 7 a factor of 80? (a) No (b) Yes
  10. 10.What is the HCF of 6 and 24?
  11. 11.Is 7 a factor of 77? (a) No (b) Yes
  12. 12.Which of these is a prime number? (a) 10 (b) 12 (c) 11
  13. 13.Which of these is a factor of 42? (a) 2 (b) 4 (c) 37
  14. 14.Which of these is a factor of 40? (a) 9 (b) 12 (c) 2
  15. 15.Which of these is a multiple of 11? (a) 22 (b) 49
  16. 16.Which of these is a factor of 30? (a) 3 (b) 14 (c) 24
  17. 17.Which of these is a factor of 20? (a) 7 (b) 2 (c) 8
  18. 18.Which of these is a factor of 60? (a) 13 (b) 6 (c) 37
  19. 19.What is the LCM of 10 and 12?
  20. 20.Which of these is a multiple of 5? (a) 27 (b) 33 (c) 15
  21. 21.How many factors does 32 have?
  22. 22.How many factors does 36 have?
  23. 23.Which of these is a multiple of 7? (a) 24 (b) 59 (c) 28
  24. 24.What is the HCF of 40 and 64?
  25. 25.Is 6 a factor of 24? (a) No (b) Yes
  26. 26.Which of these is a factor of 40? (a) 11 (b) 15 (c) 5
  27. 27.What is the HCF of 30 and 42?
  28. 28.Which of these is a multiple of 3? (a) 7 (b) 10 (c) 6
  29. 29.Which of these is a multiple of 11? (a) 54 (b) 99 (c) 106
  30. 30.How many factors does 6 have?
  31. 31.What is the LCM of 7 and 12?
  32. 32.How many factors does 10 have?
  33. 33.Which of these is a multiple of 5? (a) 20 (b) 48 (c) 46
  34. 34.How many factors does 28 have?
  35. 35.Which of these is a multiple of 7? (a) 17 (b) 56 (c) 26
  36. 36.What is the LCM of 9 and 12?
  37. 37.Which of these is a prime number? (a) 39 (b) 13 (c) 9
  38. 38.Is 9 a factor of 36? (a) No (b) Yes
  39. 39.Is 2 a factor of 15? (a) No (b) Yes
  40. 40.How many factors does 15 have?

Answer key

  1. 37
  2. 47
  3. 14
  4. 42
  5. 6
  6. 4
  7. 19
  8. 3
  9. No
  10. 6
  11. Yes
  12. 11
  13. 2
  14. 2
  15. 22
  16. 3
  17. 2
  18. 6
  19. 60
  20. 15
  21. 6
  22. 9
  23. 28
  24. 8
  25. Yes
  26. 5
  27. 6
  28. 6
  29. 99
  30. 4
  31. 84
  32. 4
  33. 20
  34. 6
  35. 56
  36. 36
  37. 13
  38. Yes
  39. No
  40. 4

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