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HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 674 · 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 456 =
  2. 2.HCF of 288 and 456 =
  3. 3.HCF of 312 and 144 =
  4. 4.HCF of 208 and 128 =
  5. 5.HCF of 51 and 187 =
  6. 6.HCF of 20 and 170 =
  7. 7.HCF of 88 and 77 =
  8. 8.HCF of 306 and 198 =
  9. 9.HCF of 44 and 242 =
  10. 10.HCF of 221 and 323 =
  11. 11.HCF of 320 and 272 =
  12. 12.HCF of 91 and 247 =
  13. 13.HCF of 48 and 18 =
  14. 14.HCF of 60 and 64 =
  15. 15.HCF of 16 and 104 =
  16. 16.HCF of 6 and 38 =
  17. 17.HCF of 90 and 288 =
  18. 18.HCF of 48 and 45 =
  19. 19.HCF of 112 and 256 =
  20. 20.HCF of 60 and 57 =
  21. 21.HCF of 306 and 198 =
  22. 22.HCF of 100 and 425 =
  23. 23.HCF of 169 and 91 =
  24. 24.HCF of 325 and 350 =
  25. 25.HCF of 176 and 418 =
  26. 26.HCF of 117 and 182 =
  27. 27.HCF of 96 and 204 =
  28. 28.HCF of 198 and 36 =
  29. 29.HCF of 126 and 234 =
  30. 30.HCF of 136 and 96 =
  31. 31.HCF of 38 and 95 =
  32. 32.HCF of 153 and 72 =
  33. 33.HCF of 88 and 55 =
  34. 34.HCF of 112 and 88 =
  35. 35.HCF of 100 and 425 =
  36. 36.HCF of 144 and 171 =
  37. 37.HCF of 66 and 90 =
  38. 38.HCF of 170 and 50 =
  39. 39.HCF of 114 and 108 =
  40. 40.HCF of 286 and 66 =

Answer key

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

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