A107302 Numbers k such that 99991*k + 10007 is prime.

0, 20, 24, 42, 44, 62, 72, 96, 104, 122, 152, 156, 180, 192, 200, 222, 230, 240, 242, 252, 254, 264, 294, 312, 356, 362, 380, 422, 426, 452, 482, 500, 504, 534, 546, 566, 590, 602, 650, 656, 672, 690, 710, 720, 726, 744, 770, 794, 804, 810, 836, 840, 864, 914

Offset

1,2

Comments

10007 and 99991 are the smallest and largest five-digit primes.

Links

Daniel Starodubtsev, Table of n, a(n) for n = 1..10000

Example

If k=0, then 99991*k + 10007 = 10007 (prime).
If k=122, then 99991*k + 10007 = 12208909 (prime).

Prog

(Magma) [n: n in [0..1000] | IsPrime(99991*n+10007)]; // Vincenzo Librandi, Nov 13 2010
(PARI) is(n)=isprime(99991*n+10007) \\ Charles R Greathouse IV, Jun 13 2017

Crossrefs

Cf. A107301.

Sequence in context: A044996 A347190 A263016 * A219392 A193572 A167323

Adjacent sequences: A107299 A107300 A107301 * A107303 A107304 A107305

Keyword

nonn,easy

Author

Parthasarathy Nambi, May 20 2005

Status

approved