%I #15 Mar 31 2014 03:34:33
%S 2,13,19,23,29,37,41,47,73,83,89,97,101,107,139,149,151,157,167,193,
%T 199,227,263,269,271,281,313,337,347,373,379,383,389,401,433,439,449,
%U 457,461,467,499,503,509,521,563,569,577,587,613,619,631,641,647,683,691,701,733
%N Primes with primitive root 15.
%H Vincenzo Librandi, <a href="/A019343/b019343.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=15; Select[Prime[Range[200]], MultiplicativeOrder[pr, # ] == #-1 &]
%K nonn
%O 1,1
%A _David W. Wilson_