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Primes p such that 74 is a square mod p.
1

%I #7 Sep 08 2012 05:16:11

%S 2,5,7,13,19,29,37,41,43,47,59,61,71,73,109,127,131,137,151,163,179,

%T 223,227,233,251,263,271,277,283,331,337,347,359,367,389,421,433,461,

%U 467,499,521,523,541,547,557,563

%N Primes p such that 74 is a square mod p.

%H Vincenzo Librandi, <a href="/A038959/b038959.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[110]], ! JacobiSymbol[74, #] == -1 &] (* _Vincenzo Librandi_, Sep 08 2012 *)

%K nonn

%O 1,1

%A _N. J. A. Sloane_.