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Search: Posts Made By: Nooks
Forum: Factoring 2020-05-11, 04:19
Replies: 419
Views: 41,721
Posted By Nooks
HP(10270) terminates after 82 steps; I used the...

HP(10270) terminates after 82 steps; I used the inputs to test my current ECM and CADO-NFS setup.
Forum: Factoring 2020-01-17, 15:53
Replies: 20
Views: 3,413
Posted By Nooks
GPU-enabled ECM has been very useful as I work my...

GPU-enabled ECM has been very useful as I work my way through https://stdkmd.net/nrr/3/37771.htm ; being able to bring that to bear on composites of more than 300 digits would be quite helpful.
Forum: CADO-NFS 2019-12-03, 19:46
Replies: 23
Views: 4,611
Posted By Nooks
A copy of the announcement has been saved in the...

A copy of the announcement has been saved in the Internet Archive: http://web.archive.org/web/20191203150058/https://lists.gforge.inria.fr/pipermail/cado-nfs-discuss/2019-December/001139.html
Forum: CADO-NFS 2019-10-24, 15:42
Replies: 488
Sticky: CADO NFS
Views: 52,370
Posted By Nooks
Run "git checkout <commit>" where commit is the...

Run "git checkout <commit>" where commit is the hash of an earlier commit. You can find earlier commits by looking at the output of "git log":

commit 15143a94f3eb2cea193c838bb4e3a1885757767e...
Forum: Factoring 2019-09-02, 18:39
Replies: 15
Views: 1,514
Posted By Nooks
Correct, my factorizations have been done with...

Correct, my factorizations have been done with CADO-NFS via SNFS or sometimes GNFS. I have not really been focused on optimizing NFS parameters, however; rather I've been working on trying to...
Forum: Factoring 2019-08-30, 18:06
Replies: 15
Views: 1,514
Posted By Nooks
Thank you for posting this! I'd noticed your...

Thank you for posting this!

I'd noticed your work in progress by finding the github page when researching the factorization factory idea, and later realizing you were behind a number of...
Forum: CADO-NFS 2019-04-03, 04:34
Replies: 488
Sticky: CADO NFS
Views: 52,370
Posted By Nooks
The flag is called --bindir. One "d", not two. ...

The flag is called --bindir. One "d", not two.

The build/ subdirectory is found in the unpacked source tree after compiling, or in the directory you built from if you followed the instructions in...
Forum: CADO-NFS 2019-04-01, 15:34
Replies: 488
Sticky: CADO NFS
Views: 52,370
Posted By Nooks
EdH is right, --bindir is the flag you want. ...

EdH is right, --bindir is the flag you want.

I don't point it at my build/ directory, but at /pkg/cado/lib/cado-nfs-3.0.0 in an experimental containerized setup I've been working on, where...
Forum: Factoring 2019-02-01, 03:08
Replies: 506
Views: 63,852
Posted By Nooks
The final 191-digit composite factor of...

The final 191-digit composite factor of (34*10^{255}-61)/9 via SNFS:

236629558781563913152694288465588385072932963576605354172203938573603707688\...
Forum: CADO-NFS 2019-01-16, 23:59
Replies: 488
Sticky: CADO NFS
Views: 52,370
Posted By Nooks
Curtis: Regarding the c172 from last week: ...

Curtis:

Regarding the c172 from last week: if I run more GNFS (though I don't plan to right this moment) I will commit to not fiddling with parameters during its run as I did here: particularly...
Forum: Factoring 2019-01-14, 00:18
Replies: 506
Views: 63,852
Posted By Nooks
A factorization of a 172-digit composite into...

A factorization of a 172-digit composite into 88-digit and 84-digit primes with CADO-NFS's development version (git revision 0dec81292) and the default params.c170 file:
...
Forum: Factoring 2018-08-17, 13:19
Replies: 506
Views: 63,852
Posted By Nooks
ECM on a C213, the last divisor of...

ECM on a C213, the last divisor of (34*10^229-61)/9 with sigma=1:3941682105:

Using B1=2900000000, B2=82640965106716, polynomial Dickson(30), sigma=1:3941682105
[...]
********** Factor found in...
Forum: Factoring 2018-07-31, 12:39
Replies: 506
Views: 63,852
Posted By Nooks
The last composite divisor of (34*10^227-61)/9...

The last composite divisor of (34*10^227-61)/9 factorizes nicely as p81 * p81:

52461733535023469582898980803025972072154673059207507371871956720157538\...
Forum: CADO-NFS 2018-07-19, 18:53
Replies: 488
Sticky: CADO NFS
Views: 52,370
Posted By Nooks
I recall the sticking point was converting GGNFS...

I recall the sticking point was converting GGNFS form to CADO poly form via convert_poly and my best judgement for the mapping between GGNFS parameters and CADO's; I did not keep the logfile to...
Forum: CADO-NFS 2018-07-19, 17:32
Replies: 488
Sticky: CADO NFS
Views: 52,370
Posted By Nooks
Apologies, I could have mentioned that this is a...

Apologies, I could have mentioned that this is a number better suited to SNFS.

I have two more in the pipeline for GFNS treatment before committing to learning how to import Kamada's SNFS...
Forum: CADO-NFS 2018-07-19, 16:23
Replies: 488
Sticky: CADO NFS
Views: 52,370
Posted By Nooks
I have a c185...

I have a c185 (http://stdkmd.com/nrr/c.cgi?q=37771_258) 2/3 of the way through polyselect now; I guess we can check back in a few months.

I have to say that I have found it challenging to not have...
Forum: CADO-NFS 2018-07-19, 14:40
Replies: 488
Sticky: CADO NFS
Views: 52,370
Posted By Nooks
VBCurtis, we talked over in the HP49 thread about...

VBCurtis, we talked over in the HP49 thread about timing information from jobs of 160+ digits.

My factorization of the 181-digit N at http://stdkmd.com/nrr/cont/3/37771.htm#N195_C181 just...
Forum: Factoring 2018-07-11, 15:28
Replies: 136
Views: 22,555
Posted By Nooks
I guess I got a little excited by earlier...

I guess I got a little excited by earlier estimates of c251 needing only (!) 10,000 core-years. I've been fascinated by HP49 for a long time.

30GB per process would limit one's ability to find...
Forum: Factoring 2018-07-11, 03:40
Replies: 136
Views: 22,555
Posted By Nooks
I may be two years late, but I'm very pleased to...

I may be two years late, but I'm very pleased to learn that others think c251 is within reach of dedicated volunteers. Seeing this number factored would be amazing.

I've been working on steadily...
Showing results 1 to 19 of 19

 
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