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HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 8 · 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 14 =
  2. 2.HCF of 200 and 340 =
  3. 3.HCF of 20 and 55 =
  4. 4.HCF of 299 and 161 =
  5. 5.HCF of 165 and 120 =
  6. 6.HCF of 88 and 160 =
  7. 7.HCF of 168 and 432 =
  8. 8.HCF of 39 and 30 =
  9. 9.HCF of 68 and 80 =
  10. 10.HCF of 56 and 77 =
  11. 11.HCF of 168 and 264 =
  12. 12.HCF of 65 and 156 =
  13. 13.HCF of 260 and 180 =
  14. 14.HCF of 306 and 180 =
  15. 15.HCF of 320 and 176 =
  16. 16.HCF of 340 and 119 =
  17. 17.HCF of 60 and 84 =
  18. 18.HCF of 190 and 180 =
  19. 19.HCF of 133 and 228 =
  20. 20.HCF of 196 and 266 =
  21. 21.HCF of 98 and 140 =
  22. 22.HCF of 192 and 156 =
  23. 23.HCF of 24 and 78 =
  24. 24.HCF of 175 and 150 =
  25. 25.HCF of 35 and 14 =
  26. 26.HCF of 132 and 154 =
  27. 27.HCF of 38 and 40 =
  28. 28.HCF of 18 and 38 =
  29. 29.HCF of 220 and 280 =
  30. 30.HCF of 24 and 18 =
  31. 31.HCF of 224 and 182 =
  32. 32.HCF of 132 and 60 =
  33. 33.HCF of 72 and 270 =
  34. 34.HCF of 78 and 169 =
  35. 35.HCF of 264 and 374 =
  36. 36.HCF of 396 and 286 =
  37. 37.HCF of 78 and 247 =
  38. 38.HCF of 247 and 57 =
  39. 39.HCF of 38 and 57 =
  40. 40.HCF of 28 and 34 =

Answer key

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

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