Monday, April 15, 2019

number theory - Calculating 34429mod431

I am trying to calculate {34}^{429} \mod 431 by hand. (This follows from 34^{-1}\mod 431).



I think I have made mistakes in my working, and have three different answers thus far from the attempts:



351, 306, 134




Is one of these correct?
If none of the above is correct please provide an answer with working.

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