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A038974
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Primes p such that 86 is not a square mod p.
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1
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3, 13, 19, 23, 31, 47, 53, 73, 79, 89, 101, 103, 109, 113, 127, 131, 137, 163, 167, 173, 179, 181, 197, 211, 227, 229, 233, 239, 241, 257, 269, 271, 293, 311, 313, 317, 331, 347, 359, 367, 397, 409, 419, 431, 433
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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Select[Prime[Range[100]], JacobiSymbol[86, #]==-1&] (* Harvey P. Dale, Feb 02 2012 *)
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PROG
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(Magma) [ p: p in PrimesUpTo(433) | not IsSquare(R! 86) where R:= ResidueClassRing(p) ]; // Vincenzo Librandi, Sep 10 2012
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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