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Class 5 Maths Worksheet: Factors and Multiples

Maths worksheets lesson 34: Factors, multiples, HCF and LCM · Set 97 · 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.Which of these is a multiple of 10? (a) 20 (b) 84 (c) 77
  2. 2.Is 5 a factor of 10? (a) No (b) Yes
  3. 3.How many factors does 20 have?
  4. 4.Which of these is a factor of 40? (a) 34 (b) 30 (c) 10
  5. 5.Which of these is a factor of 42? (a) 33 (b) 21 (c) 5
  6. 6.What is the HCF of 15 and 20?
  7. 7.Is 7 a factor of 28? (a) No (b) Yes
  8. 8.Is 4 a factor of 32? (a) Yes (b) No
  9. 9.Which of these is a multiple of 3? (a) 26 (b) 21 (c) 7
  10. 10.Which of these is a factor of 36? (a) 29 (b) 35 (c) 2
  11. 11.Which of these is a prime number? (a) 50 (b) 23 (c) 20
  12. 12.What is the LCM of 4 and 10?
  13. 13.Which of these is a multiple of 4? (a) 20 (b) 21 (c) 31
  14. 14.How many factors does 40 have?
  15. 15.Which of these is a prime number? (a) 32 (b) 34 (c) 29
  16. 16.Which of these is a prime number? (a) 21 (b) 39 (c) 43
  17. 17.Which of these is a factor of 20? (a) 15 (b) 9 (c) 5
  18. 18.What is the LCM of 7 and 11?
  19. 19.How many factors does 14 have?
  20. 20.Is 2 a factor of 14? (a) Yes (b) No
  21. 21.What is the HCF of 8 and 48?
  22. 22.Is 4 a factor of 43? (a) No (b) Yes
  23. 23.What is the LCM of 7 and 12?
  24. 24.Which of these is a prime number? (a) 7 (b) 9 (c) 48
  25. 25.Is 3 a factor of 34? (a) Yes (b) No
  26. 26.Is 3 a factor of 10? (a) Yes (b) No
  27. 27.How many factors does 6 have?
  28. 28.How many factors does 42 have?
  29. 29.What is the HCF of 28 and 35?
  30. 30.Which of these is a prime number? (a) 21 (b) 36 (c) 17
  31. 31.Which of these is a prime number? (a) 11 (b) 18 (c) 28
  32. 32.Which of these is a multiple of 7? (a) 22 (b) 37 (c) 28
  33. 33.How many factors does 15 have?
  34. 34.What is the HCF of 3 and 18?
  35. 35.Which of these is a multiple of 5? (a) 19 (b) 46 (c) 45
  36. 36.What is the HCF of 4 and 14?
  37. 37.What is the HCF of 12 and 14?
  38. 38.What is the HCF of 30 and 42?
  39. 39.What is the LCM of 4 and 13?
  40. 40.How many factors does 21 have?

Answer key

  1. 20
  2. Yes
  3. 6
  4. 10
  5. 21
  6. 5
  7. Yes
  8. Yes
  9. 21
  10. 2
  11. 23
  12. 20
  13. 20
  14. 8
  15. 29
  16. 43
  17. 5
  18. 77
  19. 4
  20. Yes
  21. 8
  22. No
  23. 84
  24. 7
  25. No
  26. No
  27. 4
  28. 8
  29. 7
  30. 17
  31. 11
  32. 28
  33. 4
  34. 3
  35. 45
  36. 2
  37. 2
  38. 6
  39. 52
  40. 4

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