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Re: [PrimeNumbers] New ECM record at 77 digits

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  • Phil Carmody
    ... > Hi all, > > http://www.loria.fr/~zimmerma/records/ecmnet.html > >
    Message 1 of 3 , Jun 18, 2013
      --- On Tue, 6/18/13, j_chrtn wrote:
      > Hi all,
      >
      > http://www.loria.fr/~zimmerma/records/ecmnet.html
      >
      > 18974159366624817405627752670504479132613571595050983959444958694223874973021
      > (77 digits) is a factor of the numerator of the 188th
      > Bernoulli number. By S. Wagstaff.


      It's extra special in that it's the first ECM record which is smaller than the previous ECM record (at 79 digits, http://www.loria.fr/~zimmerma/records/top50.html )!

      Phil

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      [stolen with permission from Daniel B. Cristofani]
    • Christ van Willegen
      ... They just wanted a record that had a non-prime number of digits... having a prime number of digits is a different world record! Christ van Willegen -- 09
      Message 2 of 3 , Jun 18, 2013
        On Tue, Jun 18, 2013 at 2:18 PM, Phil Carmody <thefatphil@...> wrote:
        > --- On Tue, 6/18/13, j_chrtn wrote:
        >> Hi all,
        >>
        >> http://www.loria.fr/~zimmerma/records/ecmnet.html
        >>
        >> 18974159366624817405627752670504479132613571595050983959444958694223874973021
        >> (77 digits) is a factor of the numerator of the 188th
        >> Bernoulli number. By S. Wagstaff.
        >
        >
        > It's extra special in that it's the first ECM record which is smaller than the previous ECM record (at 79 digits, http://www.loria.fr/~zimmerma/records/top50.html )!

        They just wanted a record that had a non-prime number of digits...
        having a prime number of digits is a different world record!

        Christ van Willegen
        --
        09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0
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