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%I #15 Mar 31 2014 09:46:26
%S 5,11,13,19,29,37,43,53,59,83,101,107,109,131,139,149,157,163,173,179,
%T 197,211,227,229,251,269,277,283,293,317,347,349,373,379,389,397,419,
%U 421,443,467,491,509,541,557,563,571,587,653,659,677,683,709,733,739,773,797
%N Primes with primitive root 72.
%H Vincenzo Librandi, <a href="/A019395/b019395.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=72; Select[Prime[Range[200]], MultiplicativeOrder[pr, # ] == #-1 &]
%K nonn
%O 1,1
%A _David W. Wilson_
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