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Find the greatest common factor of the pair of numbers.

198 and 330


Sagot :

     198              330
  1 × 198        1 × 330
  2 × 99          2 × 165
  3 × 66          3 × 110
  6 × 33          5 × 66
  9 × 22        11 × 30
11 × 18        15 × 22

The GCF of 198 and 330 is 66.