Question

what is the common factor of 5,7 &12 is​

Answer 1

Answer:

The factors of 7 are 7, 1. The common factors of 5 and 7 are 1, intersecting the two sets above. In the intersection factors of 5 ∩ factors of 7 the greatest element is 1. Therefore, the greatest common factor of 5 and 7 is 1.

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Answer 2

1 is the common gactor of 5 and 7