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HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 755 · 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 56 and 42 =
  2. 2.HCF of 136 and 187 =
  3. 3.HCF of 55 and 65 =
  4. 4.HCF of 136 and 323 =
  5. 5.HCF of 112 and 160 =
  6. 6.HCF of 35 and 91 =
  7. 7.HCF of 9 and 57 =
  8. 8.HCF of 160 and 104 =
  9. 9.HCF of 75 and 120 =
  10. 10.HCF of 28 and 64 =
  11. 11.HCF of 119 and 140 =
  12. 12.HCF of 28 and 24 =
  13. 13.HCF of 231 and 378 =
  14. 14.HCF of 15 and 48 =
  15. 15.HCF of 72 and 60 =
  16. 16.HCF of 216 and 384 =
  17. 17.HCF of 120 and 56 =
  18. 18.HCF of 266 and 112 =
  19. 19.HCF of 133 and 57 =
  20. 20.HCF of 140 and 360 =
  21. 21.HCF of 240 and 108 =
  22. 22.HCF of 60 and 255 =
  23. 23.HCF of 153 and 289 =
  24. 24.HCF of 9 and 15 =
  25. 25.HCF of 352 and 374 =
  26. 26.HCF of 50 and 30 =
  27. 27.HCF of 70 and 150 =
  28. 28.HCF of 44 and 28 =
  29. 29.HCF of 21 and 9 =
  30. 30.HCF of 340 and 240 =
  31. 31.HCF of 153 and 162 =
  32. 32.HCF of 33 and 220 =
  33. 33.HCF of 30 and 22 =
  34. 34.HCF of 72 and 64 =
  35. 35.HCF of 133 and 171 =
  36. 36.HCF of 99 and 135 =
  37. 37.HCF of 32 and 112 =
  38. 38.HCF of 77 and 28 =
  39. 39.HCF of 22 and 14 =
  40. 40.HCF of 306 and 119 =

Answer key

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

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