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HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 266 · 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 208 and 48 =
  2. 2.HCF of 110 and 352 =
  3. 3.HCF of 150 and 80 =
  4. 4.HCF of 143 and 91 =
  5. 5.HCF of 288 and 90 =
  6. 6.HCF of 216 and 156 =
  7. 7.HCF of 46 and 299 =
  8. 8.HCF of 391 and 276 =
  9. 9.HCF of 32 and 34 =
  10. 10.HCF of 10 and 35 =
  11. 11.HCF of 242 and 154 =
  12. 12.HCF of 136 and 112 =
  13. 13.HCF of 408 and 312 =
  14. 14.HCF of 63 and 357 =
  15. 15.HCF of 95 and 76 =
  16. 16.HCF of 115 and 184 =
  17. 17.HCF of 35 and 20 =
  18. 18.HCF of 400 and 260 =
  19. 19.HCF of 306 and 119 =
  20. 20.HCF of 238 and 210 =
  21. 21.HCF of 24 and 152 =
  22. 22.HCF of 84 and 273 =
  23. 23.HCF of 33 and 15 =
  24. 24.HCF of 91 and 112 =
  25. 25.HCF of 6 and 4 =
  26. 26.HCF of 20 and 56 =
  27. 27.HCF of 18 and 15 =
  28. 28.HCF of 9 and 24 =
  29. 29.HCF of 150 and 80 =
  30. 30.HCF of 170 and 289 =
  31. 31.HCF of 33 and 55 =
  32. 32.HCF of 54 and 360 =
  33. 33.HCF of 437 and 69 =
  34. 34.HCF of 190 and 100 =
  35. 35.HCF of 228 and 96 =
  36. 36.HCF of 380 and 260 =
  37. 37.HCF of 72 and 112 =
  38. 38.HCF of 132 and 110 =
  39. 39.HCF of 216 and 240 =
  40. 40.HCF of 266 and 70 =

Answer key

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

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