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HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 33 · 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 48 and 54 =
  2. 2.HCF of 221 and 102 =
  3. 3.HCF of 475 and 175 =
  4. 4.HCF of 176 and 418 =
  5. 5.HCF of 34 and 85 =
  6. 6.HCF of 187 and 289 =
  7. 7.HCF of 114 and 323 =
  8. 8.HCF of 345 and 46 =
  9. 9.HCF of 24 and 76 =
  10. 10.HCF of 210 and 112 =
  11. 11.HCF of 171 and 126 =
  12. 12.HCF of 45 and 48 =
  13. 13.HCF of 10 and 8 =
  14. 14.HCF of 130 and 90 =
  15. 15.HCF of 80 and 224 =
  16. 16.HCF of 48 and 39 =
  17. 17.HCF of 264 and 240 =
  18. 18.HCF of 75 and 30 =
  19. 19.HCF of 500 and 425 =
  20. 20.HCF of 231 and 252 =
  21. 21.HCF of 120 and 66 =
  22. 22.HCF of 10 and 36 =
  23. 23.HCF of 136 and 88 =
  24. 24.HCF of 119 and 63 =
  25. 25.HCF of 70 and 200 =
  26. 26.HCF of 130 and 200 =
  27. 27.HCF of 30 and 20 =
  28. 28.HCF of 10 and 18 =
  29. 29.HCF of 49 and 14 =
  30. 30.HCF of 210 and 225 =
  31. 31.HCF of 8 and 60 =
  32. 32.HCF of 299 and 322 =
  33. 33.HCF of 140 and 60 =
  34. 34.HCF of 99 and 153 =
  35. 35.HCF of 48 and 156 =
  36. 36.HCF of 153 and 119 =
  37. 37.HCF of 160 and 140 =
  38. 38.HCF of 32 and 80 =
  39. 39.HCF of 51 and 42 =
  40. 40.HCF of 380 and 220 =

Answer key

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

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