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%I #15 Mar 31 2014 09:45:57
%S 2,5,7,11,17,29,31,43,47,53,59,83,101,107,139,157,163,167,179,191,193,
%T 197,199,229,233,263,271,307,337,409,431,449,467,491,521,541,563,569,
%U 571,577,599,601,613,643,647,677,683,701,719,761,769,773,823,829,859,863,881
%N Primes with primitive root 73.
%H Vincenzo Librandi, <a href="/A019396/b019396.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=73; Select[Prime[Range[200]], MultiplicativeOrder[pr, # ] == #-1 &]
%K nonn
%O 1,1
%A _David W. Wilson_