S_{0,4}

[Joerg Arndt]

* Ralf Stephan <ralf at ark.in-berlin.de> [Feb 22. 2006 12:00]:
> > > 53745739035525498795880532110461237696331778423865306564243673498785024002833035483307382497112648461303
> > > 
> > 
> > Doesn't factor within 2h 38mn using
> >                 GP/PARI CALCULATOR Version 2.2.11 (alpha)
> >             amd64 running linux (x86-64 kernel) 64-bit version
> >    compiled: Oct 30 2005, gcc-3.3.5 20050117 (prerelease) (SUSE Linux)
> > 
> > 
> > > I'm going to factor it with NFS later and continue.
> 
> How do you folks know there is a 40-50 digit factor?
> Everything else is certainly out of the question.

Me knows nothing, just gave it a try.
This because pari/gp had shown to be better at factorization
than what others use (maple etc.) a few times.

-- 
p=2^q-1 prime <== q>2, cosh(2^(q-2)*log(2+sqrt(3)))%p=0
Life is hard and then you die.