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A107301
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Numbers k such that 10007*k + 99991 is prime.
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2
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0, 6, 14, 54, 66, 80, 86, 90, 126, 128, 146, 198, 200, 206, 216, 234, 236, 266, 278, 296, 308, 326, 336, 350, 368, 380, 390, 420, 438, 446, 458, 476, 494, 530, 534, 536, 564, 584, 590, 594, 614, 630, 660, 668, 674, 678, 684, 716, 758, 860, 870, 894, 936, 944
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OFFSET
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1,2
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COMMENTS
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10007 and 99991 are the smallest and largest five-digit primes.
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LINKS
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Daniel Starodubtsev, Table of n, a(n) for n = 1..10000
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EXAMPLE
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If k=0, then 10007*k + 99991 = 99991 (prime).
If k=128, then 10007*k + 99991 = 1380887 (prime).
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MATHEMATICA
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Select[Range[0, 1000], PrimeQ[10007#+99991]&] (* Harvey P. Dale, May 01 2018 *)
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PROG
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(Magma) [n: n in [0..100000] | IsPrime(10007*n + 99991)]; // Vincenzo Librandi, Nov 13 2010
(PARI) is(n)=isprime(10007*n+99991) \\ Charles R Greathouse IV, Jun 13 2017
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CROSSREFS
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Cf. A107302.
Sequence in context: A005515 A114705 A200187 * A118432 A032404 A059954
Adjacent sequences: A107298 A107299 A107300 * A107302 A107303 A107304
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KEYWORD
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nonn,easy
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AUTHOR
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Parthasarathy Nambi, May 20 2005
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STATUS
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approved
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