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HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 710 · 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 30 and 24 =
  2. 2.HCF of 207 and 368 =
  3. 3.HCF of 140 and 154 =
  4. 4.HCF of 84 and 228 =
  5. 5.HCF of 63 and 180 =
  6. 6.HCF of 33 and 30 =
  7. 7.HCF of 192 and 168 =
  8. 8.HCF of 323 and 51 =
  9. 9.HCF of 60 and 110 =
  10. 10.HCF of 56 and 91 =
  11. 11.HCF of 225 and 325 =
  12. 12.HCF of 374 and 264 =
  13. 13.HCF of 48 and 84 =
  14. 14.HCF of 36 and 40 =
  15. 15.HCF of 36 and 10 =
  16. 16.HCF of 52 and 169 =
  17. 17.HCF of 374 and 154 =
  18. 18.HCF of 130 and 221 =
  19. 19.HCF of 100 and 30 =
  20. 20.HCF of 40 and 64 =
  21. 21.HCF of 77 and 66 =
  22. 22.HCF of 36 and 39 =
  23. 23.HCF of 114 and 24 =
  24. 24.HCF of 96 and 272 =
  25. 25.HCF of 399 and 273 =
  26. 26.HCF of 15 and 65 =
  27. 27.HCF of 42 and 91 =
  28. 28.HCF of 288 and 264 =
  29. 29.HCF of 36 and 8 =
  30. 30.HCF of 54 and 78 =
  31. 31.HCF of 190 and 90 =
  32. 32.HCF of 65 and 104 =
  33. 33.HCF of 91 and 126 =
  34. 34.HCF of 39 and 60 =
  35. 35.HCF of 170 and 30 =
  36. 36.HCF of 154 and 110 =
  37. 37.HCF of 126 and 270 =
  38. 38.HCF of 32 and 152 =
  39. 39.HCF of 247 and 52 =
  40. 40.HCF of 180 and 81 =

Answer key

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

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