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Re: [PrimeNumbers] ip +/- n = primenumbers

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  • Phil Carmody
    ... [Erk! webmail is misbehaving - unable to quote] Tables of i and n for each prime p, and all 1
    Message 1 of 2 , Apr 2, 2002
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      --- FILIPPO GIORDANO <fil.giordano@...> wrote:
      [Erk! webmail is misbehaving - unable to quote]

      Tables of i and n for each prime p, and all 1<n<p, all naturals, such
      that i is minimal and i.p+/-n are simultaniously prime.
      e.g. p=13, n=12 has i=143, as 1847 and 1871 (1859+/-12) are both
      prime.

      A little challenge...

      Find the i values such that i.p+/-n are _consecutive_ primes.

      No particular reason, just a whim, and as the number or results
      increases quadratically in the value of the prime chosen, I'm most
      interested in the n=p-1 results, as they require the largest
      composite run, and are thus heuristically hardest.

      Phil



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