Message 6990 from Yahoo.Groups.Primeform
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Date: Fri, 24 Feb 2006 19:51:48 -0000
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From: "gchil0" <jgchilders@...>
Subject: Re: Primality proof of (34*10^15768-43)/9 - need help!
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In http://groups.yahoo.com/group/primeform/message/6261, it is stated
that Primo 2.2.0 beta 5 took about 320 Athlon GHz-hours to prove a
3519-digit number, so this number should take significantly less.
Although I'm not sure of the speed improvements of 2.2.0 over 2.1.2...

Greg

--- In primeform@yahoogroups.com, "Paul Underwood" <paulunderwood@...>
> wrote:
> > So, at this point, there is one missing bit. The primality of the
> > 2454-digit PRP
> > Phi(7884,10)/(3951358309*43519681*11668781326071061*50594869824289387600141*
698321409620914728282889*10226827901261393154083521*2768214255974519676483980192126941)
> > remains to be proven. This is where I need help. Primo would make
> > easy, if time consuming, work of this, but since I'm in the US, the
> > Primo license prohibits me from using it. Could someone outside of
> > the US, Canada, and Japan prove the primality of this number?
>
> I'll gladly do this. Please can somebody give an estimate of the
> number of 32-Athlon GHz hours are needed by Primo 2.1.2 for a proof?
>
> Paul
>


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