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HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 16 · 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 32 and 44 =
  2. 2.HCF of 266 and 168 =
  3. 3.HCF of 60 and 39 =
  4. 4.HCF of 136 and 32 =
  5. 5.HCF of 12 and 27 =
  6. 6.HCF of 320 and 60 =
  7. 7.HCF of 135 and 144 =
  8. 8.HCF of 90 and 35 =
  9. 9.HCF of 400 and 275 =
  10. 10.HCF of 92 and 69 =
  11. 11.HCF of 66 and 36 =
  12. 12.HCF of 195 and 285 =
  13. 13.HCF of 38 and 4 =
  14. 14.HCF of 42 and 120 =
  15. 15.HCF of 156 and 60 =
  16. 16.HCF of 221 and 117 =
  17. 17.HCF of 374 and 110 =
  18. 18.HCF of 132 and 55 =
  19. 19.HCF of 105 and 147 =
  20. 20.HCF of 26 and 169 =
  21. 21.HCF of 360 and 306 =
  22. 22.HCF of 48 and 20 =
  23. 23.HCF of 342 and 108 =
  24. 24.HCF of 190 and 60 =
  25. 25.HCF of 275 and 325 =
  26. 26.HCF of 110 and 187 =
  27. 27.HCF of 374 and 440 =
  28. 28.HCF of 210 and 231 =
  29. 29.HCF of 52 and 56 =
  30. 30.HCF of 42 and 35 =
  31. 31.HCF of 408 and 72 =
  32. 32.HCF of 165 and 88 =
  33. 33.HCF of 368 and 69 =
  34. 34.HCF of 216 and 96 =
  35. 35.HCF of 195 and 26 =
  36. 36.HCF of 144 and 162 =
  37. 37.HCF of 98 and 168 =
  38. 38.HCF of 12 and 27 =
  39. 39.HCF of 425 and 325 =
  40. 40.HCF of 300 and 195 =

Answer key

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

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