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9 September, 14:44

Prove that there has to be a common prime factor for the following expression to be true (or provide a counter-example):

A^x + B^y = C^z

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  1. 9 September, 14:53
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    hmm

    1⁴+2³=3²

    or

    1+8=9

    9=9

    true

    no common factor except 1 (but if we count 1, ther is no way we can get something with a common prime factor since all numbers have factor of 1)

    counter example is

    1⁴+2³=3²
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