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A038960
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Primes p such that 74 is not a square mod p.
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1
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3, 11, 17, 23, 31, 53, 67, 79, 83, 89, 97, 101, 103, 107, 113, 139, 149, 157, 167, 173, 181, 191, 193, 197, 199, 211, 229, 239, 241, 257, 269, 281, 293, 307, 311, 313, 317, 349, 353, 373, 379, 383, 397, 401, 409
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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[2120], JacobiSymbol[74, #] == - 1 &] (* Vincenzo Librandi, Sep 09 2012 *)
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PROG
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(Magma) [ p: p in PrimesUpTo(409) | not IsSquare(R! 74) 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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