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HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 42 · 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 456 and 48 =
  2. 2.HCF of 414 and 391 =
  3. 3.HCF of 418 and 176 =
  4. 4.HCF of 72 and 128 =
  5. 5.HCF of 34 and 255 =
  6. 6.HCF of 180 and 84 =
  7. 7.HCF of 45 and 50 =
  8. 8.HCF of 207 and 92 =
  9. 9.HCF of 45 and 50 =
  10. 10.HCF of 34 and 289 =
  11. 11.HCF of 68 and 56 =
  12. 12.HCF of 48 and 28 =
  13. 13.HCF of 312 and 72 =
  14. 14.HCF of 51 and 45 =
  15. 15.HCF of 304 and 144 =
  16. 16.HCF of 418 and 198 =
  17. 17.HCF of 228 and 95 =
  18. 18.HCF of 140 and 50 =
  19. 19.HCF of 36 and 42 =
  20. 20.HCF of 64 and 68 =
  21. 21.HCF of 49 and 112 =
  22. 22.HCF of 16 and 104 =
  23. 23.HCF of 99 and 144 =
  24. 24.HCF of 247 and 152 =
  25. 25.HCF of 104 and 56 =
  26. 26.HCF of 312 and 408 =
  27. 27.HCF of 391 and 299 =
  28. 28.HCF of 96 and 66 =
  29. 29.HCF of 10 and 34 =
  30. 30.HCF of 240 and 176 =
  31. 31.HCF of 361 and 247 =
  32. 32.HCF of 210 and 224 =
  33. 33.HCF of 78 and 102 =
  34. 34.HCF of 125 and 50 =
  35. 35.HCF of 84 and 180 =
  36. 36.HCF of 176 and 160 =
  37. 37.HCF of 418 and 132 =
  38. 38.HCF of 266 and 154 =
  39. 39.HCF of 36 and 240 =
  40. 40.HCF of 240 and 272 =

Answer key

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

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