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HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 263 · 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 272 and 208 =
  2. 2.HCF of 136 and 128 =
  3. 3.HCF of 323 and 119 =
  4. 4.HCF of 119 and 102 =
  5. 5.HCF of 60 and 9 =
  6. 6.HCF of 231 and 378 =
  7. 7.HCF of 126 and 49 =
  8. 8.HCF of 78 and 143 =
  9. 9.HCF of 144 and 64 =
  10. 10.HCF of 12 and 51 =
  11. 11.HCF of 108 and 204 =
  12. 12.HCF of 357 and 126 =
  13. 13.HCF of 240 and 112 =
  14. 14.HCF of 51 and 39 =
  15. 15.HCF of 42 and 51 =
  16. 16.HCF of 16 and 26 =
  17. 17.HCF of 85 and 323 =
  18. 18.HCF of 30 and 108 =
  19. 19.HCF of 95 and 40 =
  20. 20.HCF of 154 and 374 =
  21. 21.HCF of 425 and 375 =
  22. 22.HCF of 24 and 56 =
  23. 23.HCF of 6 and 34 =
  24. 24.HCF of 247 and 39 =
  25. 25.HCF of 140 and 80 =
  26. 26.HCF of 91 and 105 =
  27. 27.HCF of 52 and 44 =
  28. 28.HCF of 4 and 6 =
  29. 29.HCF of 260 and 100 =
  30. 30.HCF of 33 and 88 =
  31. 31.HCF of 51 and 323 =
  32. 32.HCF of 42 and 108 =
  33. 33.HCF of 456 and 360 =
  34. 34.HCF of 10 and 24 =
  35. 35.HCF of 112 and 288 =
  36. 36.HCF of 154 and 252 =
  37. 37.HCF of 91 and 56 =
  38. 38.HCF of 176 and 143 =
  39. 39.HCF of 50 and 60 =
  40. 40.HCF of 238 and 224 =

Answer key

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

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