A126893 Numbers k such that k^6 + 82991 is prime.
7980, 8526, 11676, 18774, 26754, 31584, 34314, 34650, 43134, 51576, 64176, 65184, 65730, 65856, 70224, 71190, 71316, 76650, 78834, 79506, 81564, 84294, 91266, 92904, 96096, 96894, 105294, 110376, 111090, 113484, 117684, 118146, 118566
Offset: 1
Keywords
References
- Ribenboim P., 1996. The Little Book of Big Primes. Springer Verlag.
Programs
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Magma
[n: n in [0..200] | IsPrime(n^6+82991)] // Vincenzo Librandi, Nov 23 2010
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Mathematica
a = {}; Do[If[PrimeQ[x^6 + 82991], AppendTo[a, x]], {x, 7978, 40000}]; a Select[ Range@119000, PrimeQ[#^6 + 82991] &] (* Robert G. Wilson v, Jan 21 2018 *) -
PARI
is(n)=isprime(n^6+82991) \\ Charles R Greathouse IV, Feb 17 2017
Comments