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Re: World Record Factorial Prime

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  • paulunderwooduk
    ... In deed! machine RedHat P4 P4 Command: /home/caldwell/client/TrialDiv/TrialDiv -q 1 94550 ! -1 2 &1 [Ellapsed time: 37239.758 seconds] 1+sqrt(94561)
    Message 1 of 4 , Oct 9, 2010
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      --- In primenumbers@yahoogroups.com, "djbroadhurst" <d.broadhurst@...> wrote:
      >
      >
      >
      > --- In primenumbers@yahoogroups.com,
      > Mark Rodenkirch <mgrogue@> wrote:
      >
      > > 94550!-1 is prime and is 429,390 digits long.
      >
      > Wonderful work, by all concerned.
      >
      > PrimeMogul is cautious and runs an old OpenPFGW
      > as a validator. He has marked the -tp proof of
      > http://primes.utm.edu/primes/page.php?id=95248
      > as "external", i.e. tedious to do at home.
      > But I expect that Chris's run will eventually
      > "internalize" the proof, after a week, or so,
      > rather than a PrimeGrid day.
      >

      In deed!

      machine RedHat P4 P4

      Command: /home/caldwell/client/TrialDiv/TrialDiv -q 1 94550 ! -1 2>&1
      [Ellapsed time: 37239.758 seconds]

      1+sqrt(94561)
      Running N+1 test using discriminant 94561, base 2+sqrt(94561)
      Calling Brillhart-Lehmer-Selfridge with factored part 33.53%
      94550!-1 is prime! (309659.2942s+2.1227s)
      [Elapsed time: 3.58 days]

      ref: http://primes.utm.edu/primes/page.php?id=95248

      Paul
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