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HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 7 · 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 114 and 48 =
  2. 2.HCF of 20 and 130 =
  3. 3.HCF of 126 and 147 =
  4. 4.HCF of 33 and 143 =
  5. 5.HCF of 312 and 360 =
  6. 6.HCF of 22 and 30 =
  7. 7.HCF of 272 and 144 =
  8. 8.HCF of 304 and 285 =
  9. 9.HCF of 36 and 64 =
  10. 10.HCF of 315 and 336 =
  11. 11.HCF of 105 and 98 =
  12. 12.HCF of 299 and 230 =
  13. 13.HCF of 60 and 114 =
  14. 14.HCF of 56 and 104 =
  15. 15.HCF of 475 and 325 =
  16. 16.HCF of 27 and 48 =
  17. 17.HCF of 26 and 34 =
  18. 18.HCF of 144 and 112 =
  19. 19.HCF of 255 and 135 =
  20. 20.HCF of 18 and 34 =
  21. 21.HCF of 418 and 88 =
  22. 22.HCF of 192 and 408 =
  23. 23.HCF of 276 and 253 =
  24. 24.HCF of 171 and 361 =
  25. 25.HCF of 154 and 440 =
  26. 26.HCF of 90 and 72 =
  27. 27.HCF of 144 and 256 =
  28. 28.HCF of 49 and 14 =
  29. 29.HCF of 49 and 140 =
  30. 30.HCF of 475 and 150 =
  31. 31.HCF of 40 and 52 =
  32. 32.HCF of 161 and 276 =
  33. 33.HCF of 90 and 84 =
  34. 34.HCF of 275 and 100 =
  35. 35.HCF of 42 and 33 =
  36. 36.HCF of 209 and 266 =
  37. 37.HCF of 115 and 253 =
  38. 38.HCF of 91 and 39 =
  39. 39.HCF of 252 and 105 =
  40. 40.HCF of 176 and 224 =

Answer key

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

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