%I
%S 2,17,23,41,47,59,67,71,73,101,103,109,149,173,179,191,197,199,223,
%T 233,241,251,277,293,311,331,337,349,367,373,379,383,409,419,443,457,
%U 461,467,499,541,557,569,587,593,599,613,619,631,643,673,677,683,691,719,733,761
%N Primes with primitive root 99.
%H Vincenzo Librandi, <a href="/A019421/b019421.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=99; Select[Prime[Range[200]], MultiplicativeOrder[pr, # ] == #1 &]
%K nonn
%O 1,1
%A _David W. Wilson_
