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Primes with primitive root 39.
2

%I #14 Mar 31 2014 04:43:57

%S 2,11,17,29,37,47,53,59,73,79,83,97,109,113,127,167,173,199,211,227,

%T 229,233,239,241,257,269,359,367,383,389,397,409,421,431,439,457,479,

%U 523,569,571,577,587,607,641,653,677,683,701,709,727,743,751,797,809,827,839,857

%N Primes with primitive root 39.

%H Vincenzo Librandi, <a href="/A019364/b019364.txt">Table of n, a(n) for n = 1..1000</a>

%H <a href="/index/Pri#primes_root">Index entries for primes by primitive root</a>

%t pr=39; Select[Prime[Range[200]], MultiplicativeOrder[pr, # ] == #-1 &]

%K nonn

%O 1,1

%A _David W. Wilson_