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A142587 Numbers k such that 10^9999 + k is a (gigantic) prime. 0

%I #15 Jun 08 2023 08:49:37

%S 33603,55377,70999,78571,97779,131673,139579,236761,252391,282097,

%T 333811,342037,355651,359931,425427,436363,444129,473143,479859,

%U 484423,515787,543447,680979,684273,709053,709431,780199,781891,788527,813019

%N Numbers k such that 10^9999 + k is a (gigantic) prime.

%D S. Yates, "Collecting gigantic and titanic primes", Journal of Recreational Mathematics 24:3 (1992), pp. 193-201.

%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/GiganticPrime.html">Gigantic Prime</a>

%o (PARI) is(n)=ispseudoprime(10^9999+n) \\ _Charles R Greathouse IV_, Mar 09 2014

%Y Cf. A074282.

%K nonn

%O 1,1

%A _Charles R Greathouse IV_, Sep 21 2008

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Last modified April 19 19:02 EDT 2024. Contains 371798 sequences. (Running on oeis4.)