# Math Help - primitive roots

1. ## primitive roots

Find all x where x ^x is congruent to 2 mod 11?

I tried to use primitive roots. knowing that 2 is a primitive root and let x = 2^i.

thus ix is congruent to 2 mod 10..but am now stuck

2. ## Re: primitive roots

x≡39,73,101,107(mod 110)

3. ## Re: primitive roots

how did you form the equation for mod 110?