(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Find all primes p (as a congruence) such that 11^((p-1)/2) = 1 modp

3. The attempt at a solution

I'm new to congruences and I don't really know to approach this. Any help greatly appreciated!

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# Homework Help: Solving a congruence

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