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Primes with primitive root 52.
1

%I #14 Mar 31 2014 05:52:13

%S 5,7,11,19,31,37,41,47,59,71,83,109,137,149,151,163,167,193,197,227,

%T 241,271,281,293,307,317,353,359,383,397,401,409,431,457,461,479,487,

%U 509,557,577,587,593,619,643,683,691,709,733,743,761,769,773,811,821,827,839,853

%N Primes with primitive root 52.

%H Vincenzo Librandi, <a href="/A019376/b019376.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=52; Select[Prime[Range[200]], MultiplicativeOrder[pr, # ] == #-1 &]

%K nonn

%O 1,1

%A _David W. Wilson_