Can someone explain how to solve these types of things, my book gives one example and its useless:(adsbygoogle = window.adsbygoogle || []).push({});

find a such that 0 < a < 73

a=9^794(mod 73) (= means congruent equals)

solve

x^86=6(mod 29)

Thanks in advance

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# Congruences, Fermats Little Theorm

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