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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 193 · 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.How many factors does 40 have?
  2. 2.Which of these is a factor of 36? (a) 6 (b) 34 (c) 11
  3. 3.What is the HCF of 10 and 35?
  4. 4.Which of these is a prime number? (a) 19 (b) 32 (c) 24
  5. 5.Which of these is a multiple of 5? (a) 20 (b) 21 (c) 26
  6. 6.What is the LCM of 3 and 4?
  7. 7.Which of these is a multiple of 6? (a) 51 (b) 42 (c) 13
  8. 8.Is 3 a factor of 31? (a) Yes (b) No
  9. 9.Which of these is a factor of 48? (a) 30 (b) 21 (c) 12
  10. 10.Which of these is a prime number? (a) 18 (b) 46 (c) 13
  11. 11.Which of these is a prime number? (a) 50 (b) 12 (c) 41
  12. 12.How many factors does 21 have?
  13. 13.What is the HCF of 18 and 21?
  14. 14.Is 6 a factor of 42? (a) Yes (b) No
  15. 15.Is 6 a factor of 36? (a) Yes (b) No
  16. 16.Which of these is a prime number? (a) 46 (b) 43 (c) 8
  17. 17.How many factors does 6 have?
  18. 18.Which of these is a factor of 12? (a) 4 (b) 7 (c) 9
  19. 19.Is 9 a factor of 50? (a) No (b) Yes
  20. 20.What is the LCM of 6 and 8?
  21. 21.How many factors does 12 have?
  22. 22.Which of these is a factor of 42? (a) 2 (b) 23 (c) 9
  23. 23.What is the LCM of 4 and 6?
  24. 24.Which of these is a factor of 18? (a) 9 (b) 11 (c) 7
  25. 25.What is the HCF of 4 and 10?
  26. 26.Which of these is a factor of 40? (a) 35 (b) 4 (c) 39
  27. 27.Which of these is a factor of 24? (a) 9 (b) 7 (c) 3
  28. 28.Which of these is a prime number? (a) 29 (b) 25 (c) 15
  29. 29.What is the LCM of 2 and 15?
  30. 30.Which of these is a multiple of 7? (a) 20 (b) 63 (c) 62
  31. 31.Which of these is a factor of 40? (a) 38 (b) 10 (c) 25
  32. 32.Which of these is a multiple of 11? (a) 91 (b) 29 (c) 22
  33. 33.How many factors does 10 have?
  34. 34.What is the HCF of 24 and 54?
  35. 35.Which of these is a factor of 60? (a) 43 (b) 39 (c) 12
  36. 36.Which of these is a factor of 18? (a) 5 (b) 7 (c) 6
  37. 37.What is the LCM of 6 and 15?
  38. 38.Which of these is a multiple of 3? (a) 8 (b) 13 (c) 15
  39. 39.What is the LCM of 8 and 11?
  40. 40.How many factors does 42 have?

Answer key

  1. 8
  2. 6
  3. 5
  4. 19
  5. 20
  6. 12
  7. 42
  8. No
  9. 12
  10. 13
  11. 41
  12. 4
  13. 3
  14. Yes
  15. Yes
  16. 43
  17. 4
  18. 4
  19. No
  20. 24
  21. 6
  22. 2
  23. 12
  24. 9
  25. 2
  26. 4
  27. 3
  28. 29
  29. 30
  30. 63
  31. 10
  32. 22
  33. 4
  34. 6
  35. 12
  36. 6
  37. 30
  38. 15
  39. 88
  40. 8

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