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Re: First known prime factor of F22

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  • djbroadhurst
    ... Wow! Thanks, Dario, for this update. My dear friend Wilfrid will be rather happy. David
    Message 1 of 3 , Mar 26, 2010
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      --- In primenumbers@yahoogroups.com, "Dario" <alpertron@...> wrote:

      > David Bessell has found the first known prime factor of
      > F22 = 2^2^22+1. The number is 64658705994591851009055774868504577.

      Wow! Thanks, Dario, for this update.
      My dear friend Wilfrid will be rather happy.

      David
    • djbroadhurst
      ... Now Wilfrid is doubly happy, since another prime divisor of F12 has been found, with GMP-ECM:
      Message 2 of 3 , Mar 27, 2010
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        --- In primenumbers@yahoogroups.com,
        "djbroadhurst" <d.broadhurst@...> wrote:

        > > David Bessell has found the first known prime factor of
        > > F22 = 2^2^22+1. The number is 64658705994591851009055774868504577.
        >
        > Wow! Thanks, Dario, for this update.
        > My dear friend Wilfrid will be rather happy.

        Now Wilfrid is doubly happy, since another prime divisor of F12
        has been found, with GMP-ECM:

        http://www.mersenneforum.org/showthread.php?p=209743#post209743

        David
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