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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 278 · 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.

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  1. 1.Which of these is a factor of 24? (a) 22 (b) 13 (c) 4
  2. 2.How many factors does 20 have?
  3. 3.What is the HCF of 4 and 14?
  4. 4.What is the HCF of 12 and 30?
  5. 5.Is 9 a factor of 101? (a) No (b) Yes
  6. 6.What is the HCF of 36 and 81?
  7. 7.What is the LCM of 5 and 9?
  8. 8.What is the HCF of 16 and 24?
  9. 9.Which of these is a factor of 42? (a) 31 (b) 5 (c) 6
  10. 10.Which of these is a factor of 42? (a) 36 (b) 23 (c) 14
  11. 11.Which of these is a factor of 42? (a) 12 (b) 20 (c) 21
  12. 12.What is the LCM of 2 and 11?
  13. 13.Which of these is a factor of 12? (a) 2 (b) 9 (c) 8
  14. 14.Which of these is a multiple of 8? (a) 56 (b) 35 (c) 34
  15. 15.How many factors does 15 have?
  16. 16.Which of these is a factor of 36? (a) 11 (b) 2 (c) 17
  17. 17.Which of these is a multiple of 11? (a) 107 (b) 55 (c) 89
  18. 18.How many factors does 48 have?
  19. 19.Which of these is a multiple of 9? (a) 31 (b) 36 (c) 75
  20. 20.What is the LCM of 6 and 11?
  21. 21.What is the LCM of 4 and 15?
  22. 22.Which of these is a multiple of 9? (a) 86 (b) 45 (c) 83
  23. 23.Which of these is a prime number? (a) 30 (b) 23 (c) 35
  24. 24.Which of these is a factor of 18? (a) 17 (b) 13 (c) 9
  25. 25.Which of these is a multiple of 10? (a) 70 (b) 98 (c) 64
  26. 26.Which of these is a prime number? (a) 17 (b) 14 (c) 12
  27. 27.How many factors does 36 have?
  28. 28.Which of these is a factor of 30? (a) 3 (b) 13 (c) 4
  29. 29.How many factors does 10 have?
  30. 30.What is the LCM of 3 and 11?
  31. 31.Which of these is a prime number? (a) 11 (b) 10 (c) 45
  32. 32.Is 7 a factor of 21? (a) No (b) Yes
  33. 33.Is 3 a factor of 27? (a) No (b) Yes
  34. 34.What is the HCF of 18 and 63?
  35. 35.Is 7 a factor of 78? (a) No (b) Yes
  36. 36.Which of these is a factor of 30? (a) 12 (b) 6 (c) 26
  37. 37.What is the HCF of 12 and 14?
  38. 38.What is the LCM of 7 and 12?
  39. 39.How many factors does 12 have?
  40. 40.How many factors does 24 have?

Answer key

  1. 4
  2. 6
  3. 2
  4. 6
  5. No
  6. 9
  7. 45
  8. 8
  9. 6
  10. 14
  11. 21
  12. 22
  13. 2
  14. 56
  15. 4
  16. 2
  17. 55
  18. 10
  19. 36
  20. 66
  21. 60
  22. 45
  23. 23
  24. 9
  25. 70
  26. 17
  27. 9
  28. 3
  29. 4
  30. 33
  31. 11
  32. Yes
  33. Yes
  34. 9
  35. No
  36. 6
  37. 2
  38. 84
  39. 6
  40. 8

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