login
Primes for which -17 is a primitive root.
1

%I #9 Mar 31 2024 15:07:24

%S 2,5,19,37,41,43,47,59,61,67,83,97,103,113,127,151,173,179,191,193,

%T 197,233,239,251,263,269,271,277,313,317,331,359,383,401,443,449,463,

%U 467,521,563,587,599,617,631,641,647,653,659,673,677,709,727,739,809,821,853,857

%N Primes for which -17 is a primitive root.

%H Vincenzo Librandi, <a href="/A105889/b105889.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=-17; Select[Prime[Range[200]], MultiplicativeOrder[pr, # ] == #-1 &]

%K nonn

%O 1,1

%A _N. J. A. Sloane_, Apr 24 2005