At 05:15 PM 1999/12/04 +0000, "Steinar H. Gunderson" <[EMAIL PROTECTED]> wrote: >On Sat, Dec 04, 1999 at 08:55:02AM -0500, Olivier Langlois wrote: >>Yesterday, my Prime95 client have contacted the Primenet server to get more >>work to do and since then, my client stopped to do the LL test on the >>unfinished prime M7943231. > >From what I can see, your computer has started factoring another number. >This is completely normal (see the README file). Once the factoring is done, >Prime95 should continue your LL-test. > >The reason for this behaviour is, that if it was to complete the LL test, >and then quickly find a factor for the next number, you would suddenly be >left with no work left :-) > >>33233791 * 32 0.5 1437 64.5 04-Dec-99 >>01:55 358BeaubienE > >This seems to be the number. Note that it's only factored to 32 bits, and >probably will be factored to 67 bits (just a guess, there are tables for >this) before the LL test continues. > >/* Steinar */ The table below is from a posting by George Woltman some time ago: Numbers above are factored to ------------- --------------- 71000000 2^72 57020000 2^71 44150000 2^70 35100000 2^69 28130000 2^68 21590000 2^67 17850000 2^66 13380000 2^65 8250000 2^64 Trial factoring runtime can be very significant. For example, M33233791 will take a few weeks on a Pentium-200. (But, if it finds a factor, that could shrink to mere seconds.) Ken Kriesel _________________________________________________________________ Unsubscribe & list info -- http://www.scruz.net/~luke/signup.htm Mersenne Prime FAQ -- http://www.tasam.com/~lrwiman/FAQ-mers
