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Primes p such that 89 is a square mod p.
3

%I #14 Jan 24 2024 08:02:02

%S 2,5,11,17,47,53,67,71,73,79,89,97,107,109,131,139,157,167,173,179,

%T 199,223,227,233,251,257,263,269,271,277,283,307,311,317,331,347,367,

%U 373,401,409,443,449,461,463,467

%N Primes p such that 89 is a square mod p.

%H Vincenzo Librandi, <a href="/A038977/b038977.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[120]], ! JacobiSymbol[89, #] == -1 &] (* _Vincenzo Librandi_, Sep 08 2012 *)

%K nonn

%O 1,1

%A _N. J. A. Sloane_.