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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 315 · 40 sums
TalentJR

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 HCF of 6 and 21?
  2. 2.Which of these is a prime number? (a) 28 (b) 23 (c) 8
  3. 3.Which of these is a multiple of 7? (a) 20 (b) 49 (c) 16
  4. 4.Which of these is a factor of 36? (a) 27 (b) 14 (c) 6
  5. 5.Which of these is a factor of 12? (a) 7 (b) 8 (c) 2
  6. 6.Which of these is a multiple of 12? (a) 105 (b) 85 (c) 36
  7. 7.How many factors does 42 have?
  8. 8.What is the LCM of 6 and 7?
  9. 9.Which of these is a prime number? (a) 39 (b) 13 (c) 33
  10. 10.Which of these is a multiple of 9? (a) 74 (b) 80 (c) 63
  11. 11.Which of these is a factor of 18? (a) 7 (b) 2 (c) 5
  12. 12.Which of these is a multiple of 7? (a) 14 (b) 23 (c) 44
  13. 13.What is the LCM of 10 and 14?
  14. 14.Which of these is a factor of 24? (a) 15 (b) 4 (c) 19
  15. 15.What is the LCM of 4 and 15?
  16. 16.Is 3 a factor of 21? (a) No (b) Yes
  17. 17.What is the HCF of 5 and 15?
  18. 18.Is 8 a factor of 102? (a) No (b) Yes
  19. 19.How many factors does 36 have?
  20. 20.Is 3 a factor of 12? (a) Yes (b) No
  21. 21.What is the LCM of 5 and 13?
  22. 22.What is the HCF of 2 and 12?
  23. 23.What is the HCF of 64 and 72?
  24. 24.Which of these is a prime number? (a) 16 (b) 17 (c) 33
  25. 25.Which of these is a prime number? (a) 40 (b) 7 (c) 15
  26. 26.Which of these is a factor of 36? (a) 13 (b) 4 (c) 16
  27. 27.What is the LCM of 3 and 10?
  28. 28.Is 2 a factor of 5? (a) No (b) Yes
  29. 29.How many factors does 6 have?
  30. 30.Is 7 a factor of 56? (a) No (b) Yes
  31. 31.Which of these is a factor of 36? (a) 35 (b) 18 (c) 26
  32. 32.How many factors does 20 have?
  33. 33.How many factors does 10 have?
  34. 34.What is the HCF of 6 and 24?
  35. 35.Which of these is a factor of 48? (a) 41 (b) 4 (c) 18
  36. 36.How many factors does 21 have?
  37. 37.Is 5 a factor of 30? (a) Yes (b) No
  38. 38.Which of these is a multiple of 11? (a) 57 (b) 77 (c) 23
  39. 39.Which of these is a multiple of 12? (a) 86 (b) 59 (c) 72
  40. 40.Which of these is a prime number? (a) 16 (b) 43 (c) 34

Answer key

  1. 3
  2. 23
  3. 49
  4. 6
  5. 2
  6. 36
  7. 8
  8. 42
  9. 13
  10. 63
  11. 2
  12. 14
  13. 70
  14. 4
  15. 60
  16. Yes
  17. 5
  18. No
  19. 9
  20. Yes
  21. 65
  22. 2
  23. 8
  24. 17
  25. 7
  26. 4
  27. 30
  28. No
  29. 4
  30. Yes
  31. 18
  32. 6
  33. 4
  34. 6
  35. 4
  36. 4
  37. Yes
  38. 77
  39. 72
  40. 43

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