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9072Re: [PrimeNumbers] Re: Largest Ordinary Prime?

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  • Bouk de Water
    Oct 5, 2002
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      --- Andy Steward <aads@...> wrote:
      > Paul Underwood wrote:
      >
      > > Bouk suggests having a look at 118080.
      >
      > Did you mean 110880? I get an expected factorisation of
      > 18.4% for that one, but only 9.7% for 118080. By my model,
      > 110880 is the most promising exponent in (85680,750000]

      110880 it should be indeed. Moreover because phi(36960,2) is a prp.

      36960 * 2 = 73920

      2^73920-1 is already BLS

      36960 * 3 = 110880

      2^110880-1 is about 1300 digits short for Konyagin-Pomarance.

      Bouk.

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