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HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 90 · 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 304 and 48 =
  2. 2.HCF of 260 and 340 =
  3. 3.HCF of 12 and 80 =
  4. 4.HCF of 408 and 336 =
  5. 5.HCF of 27 and 36 =
  6. 6.HCF of 80 and 25 =
  7. 7.HCF of 98 and 238 =
  8. 8.HCF of 96 and 40 =
  9. 9.HCF of 70 and 63 =
  10. 10.HCF of 117 and 108 =
  11. 11.HCF of 27 and 99 =
  12. 12.HCF of 264 and 154 =
  13. 13.HCF of 40 and 64 =
  14. 14.HCF of 88 and 143 =
  15. 15.HCF of 275 and 400 =
  16. 16.HCF of 275 and 175 =
  17. 17.HCF of 133 and 380 =
  18. 18.HCF of 40 and 170 =
  19. 19.HCF of 304 and 133 =
  20. 20.HCF of 72 and 30 =
  21. 21.HCF of 143 and 110 =
  22. 22.HCF of 51 and 9 =
  23. 23.HCF of 234 and 54 =
  24. 24.HCF of 180 and 100 =
  25. 25.HCF of 289 and 221 =
  26. 26.HCF of 187 and 33 =
  27. 27.HCF of 153 and 135 =
  28. 28.HCF of 340 and 260 =
  29. 29.HCF of 39 and 9 =
  30. 30.HCF of 99 and 22 =
  31. 31.HCF of 150 and 45 =
  32. 32.HCF of 80 and 170 =
  33. 33.HCF of 368 and 115 =
  34. 34.HCF of 323 and 76 =
  35. 35.HCF of 40 and 112 =
  36. 36.HCF of 180 and 160 =
  37. 37.HCF of 125 and 400 =
  38. 38.HCF of 16 and 22 =
  39. 39.HCF of 68 and 20 =
  40. 40.HCF of 408 and 168 =

Answer key

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

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