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Re: [Cado-nfs-discuss] RSA-180 Successfully Completed


Chronological Thread 
  • From: paul zimmermann <Paul.Zimmermann@inria.fr>
  • To: ROBERT DUCHATEAU <rjd1212@cox.net>
  • Cc: cado-nfs-discuss@lists.gforge.inria.fr
  • Subject: Re: [Cado-nfs-discuss] RSA-180 Successfully Completed
  • Date: Fri, 23 Mar 2018 14:30:52 +0100
  • List-archive: <http://lists.gforge.inria.fr/pipermail/cado-nfs-discuss/>
  • List-id: A discussion list for Cado-NFS <cado-nfs-discuss.lists.gforge.inria.fr>

Dear Robert,

> I have successfully factored RSA-180 using Git development version 23930bb.

glad to see you have found the same factors as those already known!

https://en.wikipedia.org/wiki/RSA_numbers#RSA-180

> The overall factoring time took a total of 32 days, employing one server &
> nine clients, utilizing an imported poly file to save about 2 days of
> polysieving, in addition to running a total of 88 threads for lattice
> sieving, 16 threads for Krylov/Lingen/Mksol, Linear Algebra stage, & 8
> threads for the sqrt run.

did you use the same polynomial used by Danilov and Popovyan?
It would be nice to compare with the polynomial found by CADO-NFS
(after a few hours of sieving you can get a quite good estimate of the ETA).

> Many thanks for your helpful pointers in factoring this particular RSA
> number
> successfully.

you are welcome.

Paul Zimmermann




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