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Re: Primality of a Mersenne factor

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  • Nathan Russell
    ... to see ... patience, ... As a correction to my last message (which, in any event, only went to Paul) I d expect the number in question to take a GHz-month,
    Message 1 of 3 , Sep 14, 2004
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      --- In primenumbers@yahoogroups.com, "Paul Jobling"
      <Paul.Jobling@W...> wrote:
      > > The following factorisation doesn't appear on Will Edgington's
      > > Mersenne factors page
      > > so may well be new (but please correct me if it isn't...)
      > >
      > > (2^16129-1)/(2^127-1) = 14806423*25044595073*72653532113*prp4789
      > >
      > > Is it feasible to prove the primality of the last factor prp4789?
      >
      > Certainly, using Primo. See http://www.ellipsa.net/primo/record.html
      to see
      > how large the numbers are that people can now prove prime - with
      patience,
      > naturally.

      As a correction to my last message (which, in any event, only went to
      Paul) I'd expect the number in question to take a GHz-month, or
      somewhat more.

      Nathan
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