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HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 603 · 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 16 and 10 =
  2. 2.HCF of 95 and 133 =
  3. 3.HCF of 266 and 182 =
  4. 4.HCF of 88 and 121 =
  5. 5.HCF of 63 and 49 =
  6. 6.HCF of 114 and 120 =
  7. 7.HCF of 70 and 42 =
  8. 8.HCF of 272 and 288 =
  9. 9.HCF of 4 and 38 =
  10. 10.HCF of 104 and 16 =
  11. 11.HCF of 119 and 84 =
  12. 12.HCF of 51 and 323 =
  13. 13.HCF of 75 and 165 =
  14. 14.HCF of 162 and 234 =
  15. 15.HCF of 207 and 460 =
  16. 16.HCF of 144 and 342 =
  17. 17.HCF of 110 and 374 =
  18. 18.HCF of 204 and 187 =
  19. 19.HCF of 66 and 187 =
  20. 20.HCF of 88 and 330 =
  21. 21.HCF of 418 and 352 =
  22. 22.HCF of 8 and 20 =
  23. 23.HCF of 72 and 56 =
  24. 24.HCF of 99 and 121 =
  25. 25.HCF of 64 and 72 =
  26. 26.HCF of 231 and 378 =
  27. 27.HCF of 425 and 475 =
  28. 28.HCF of 306 and 144 =
  29. 29.HCF of 80 and 190 =
  30. 30.HCF of 72 and 44 =
  31. 31.HCF of 6 and 45 =
  32. 32.HCF of 39 and 169 =
  33. 33.HCF of 68 and 255 =
  34. 34.HCF of 66 and 114 =
  35. 35.HCF of 39 and 18 =
  36. 36.HCF of 105 and 225 =
  37. 37.HCF of 28 and 60 =
  38. 38.HCF of 77 and 21 =
  39. 39.HCF of 54 and 99 =
  40. 40.HCF of 72 and 228 =

Answer key

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

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