The greatest common factor of 55 (5 x 11) and 105 (3 x 5 x 7) is 5.
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The greatest common factor of 165 and 345 is 15.
The factors of 105 are: 1, 3, 5, 7, 15, 21, 35, 105.The factors of 330 are: 1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330.The common factors are: 1, 3, 5, 15.The Greatest Common Factor (GCF) is: 15
The greatest common factor of the numbers 63, 105 and 294 is 21.
The GCF of 28 and 105 is 7.
The GCF is 35.