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Primes p such that 97 is a square mod p.
3

%I #11 Sep 08 2013 13:29:40

%S 2,3,11,31,43,47,53,61,73,79,89,97,101,103,109,113,151,163,167,191,

%T 193,197,227,229,241,269,283,293,307,313,353,379,389,397,419,421,431,

%U 449,461,463,467,479,487,491,503

%N Primes p such that 97 is a square mod p.

%H Vincenzo Librandi, <a href="/A038987/b038987.txt">Table of n, a(n) for n = 1..1000</a>

%t Select[Prime[Range[120]], ! JacobiSymbol[97, #] == -1 &] (* _Vincenzo Librandi_, Sep 08 2012 *)

%K nonn

%O 1,1

%A _N. J. A. Sloane_.

%E Incorrect comment deleted by _Philippe Deléham_, Sep 16 2009