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HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 751 · 40 sums
TalentJR

The trick (Sankalana-Vyavakalanabhyam): Take the smaller number away from the bigger one, as many times as it goes. Now use the smaller number and what is left. Repeat until nothing is left: the last number before 0 is the HCF.

NameDateTime takenScore ___ / 40
  1. 1.HCF of 180 and 27 =
  2. 2.HCF of 117 and 260 =
  3. 3.HCF of 102 and 24 =
  4. 4.HCF of 361 and 95 =
  5. 5.HCF of 90 and 255 =
  6. 6.HCF of 234 and 143 =
  7. 7.HCF of 15 and 95 =
  8. 8.HCF of 33 and 6 =
  9. 9.HCF of 152 and 72 =
  10. 10.HCF of 90 and 78 =
  11. 11.HCF of 114 and 66 =
  12. 12.HCF of 90 and 65 =
  13. 13.HCF of 75 and 180 =
  14. 14.HCF of 90 and 160 =
  15. 15.HCF of 45 and 18 =
  16. 16.HCF of 209 and 323 =
  17. 17.HCF of 16 and 56 =
  18. 18.HCF of 24 and 160 =
  19. 19.HCF of 72 and 64 =
  20. 20.HCF of 221 and 234 =
  21. 21.HCF of 4 and 34 =
  22. 22.HCF of 384 and 168 =
  23. 23.HCF of 91 and 234 =
  24. 24.HCF of 28 and 98 =
  25. 25.HCF of 98 and 140 =
  26. 26.HCF of 105 and 98 =
  27. 27.HCF of 165 and 240 =
  28. 28.HCF of 36 and 15 =
  29. 29.HCF of 72 and 44 =
  30. 30.HCF of 119 and 34 =
  31. 31.HCF of 352 and 198 =
  32. 32.HCF of 275 and 200 =
  33. 33.HCF of 260 and 400 =
  34. 34.HCF of 84 and 192 =
  35. 35.HCF of 33 and 48 =
  36. 36.HCF of 108 and 114 =
  37. 37.HCF of 198 and 143 =
  38. 38.HCF of 168 and 273 =
  39. 39.HCF of 22 and 99 =
  40. 40.HCF of 119 and 112 =

Answer key

  1. 9
  2. 13
  3. 6
  4. 19
  5. 15
  6. 13
  7. 5
  8. 3
  9. 8
  10. 6
  11. 6
  12. 5
  13. 15
  14. 10
  15. 9
  16. 19
  17. 8
  18. 8
  19. 8
  20. 13
  21. 2
  22. 24
  23. 13
  24. 14
  25. 14
  26. 7
  27. 15
  28. 3
  29. 4
  30. 17
  31. 22
  32. 25
  33. 20
  34. 12
  35. 3
  36. 6
  37. 11
  38. 21
  39. 11
  40. 7

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