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5th non-trivial gigantic

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  • d.broadhurst@open.ac.uk
    This one was real close: N=(10268^2521-1)/10267 with 10,109 digits and log(F)/log(N)=30.0034% [yikes!] To achieve 30% we needed a p36 in a titanic composite,
    Message 1 of 2 , Jul 3, 2001
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      This one was real close:
      N=(10268^2521-1)/10267
      with 10,109 digits and
      log(F)/log(N)=30.0034% [yikes!]

      To achieve 30% we needed a
      p36 in a titanic composite,
      and finished off by doing a
      c97=p42*p55,
      with GMP-ECM, and a
      c95=p45*p51,
      with Tomabechi-MPQS

      David Broadhurst and Bouk de Water
    • Phil Carmody
      ... Congratulations David, et al. So, are you the one they call the factor freak :-)? That MPQS crack is an absolute stormer, better than a few of the
      Message 2 of 2 , Jul 3, 2001
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        On Tue, 03 July 2001, d.broadhurst@... wrote:
        > This one was real close:
        > N=(10268^2521-1)/10267
        > with 10,109 digits and
        > log(F)/log(N)=30.0034% [yikes!]
        >
        > To achieve 30% we needed a
        > p36 in a titanic composite,
        > and finished off by doing a
        > c97=p42*p55,
        > with GMP-ECM, and a
        > c95=p45*p51,
        > with Tomabechi-MPQS

        Congratulations David, et al. So, are you the one they call the 'factor freak' :-)?
        That MPQS crack is an absolute stormer, better than a few of the world's top 10 ECM cracks this year. (http://www.loria.fr/~zimmerma/records/ecmnet.html)

        Phil

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