I'll take C184_135_106 for ECM to t55.

Based on [url=http://www.mersenneforum.org/showpost.php?p=425451&postcount=373]recent comments by Fivemack[/url], it seems we could have a few potential C18X GNFS candidates for the 15e queue of NFS@Home. Can anyone here run ECM to the required levels in the OP prior to attempting GNFS? Or is this something for yoyo?

Even individuals running some curves at the t55 level will be very helpful.

I think yoyo would definitely help with t60.

Additional GNFS Numbers
 

Further test sieving has identified the following list of GNFS candidates:

C193_136_129
C193_143_93
C196_135_124
C193_131_124
C185_134_99
C190_147_80
C194_144_91
C197_141_86
C183_127_118
C188_132_125
C195_130_121
C186_145_72
C191_143_75
C192_139_81
C182_125_121
C191_143_76
C183_134_69
C187_142_59

For all of these, test sieving by SNFS is considerably slower than the [I]estimated[/I] GNFS sieving time. All have been run up to the t50 level for ECM.

Thank you Sean.

[QUOTE=swellman;427073]For all of these, test sieving by SNFS is considerably slower than the [I]estimated[/I] GNFS sieving time.[/QUOTE]How about C177_132_91 and C178_131_81? Are they definitely GNFS targets?

[QUOTE=XYYXF;427129]Thank you Sean.

How about C177_132_91 and C178_131_81? Are they definitely GNFS targets?[/QUOTE]

I'm not sure. We need to generate a good poly and run some test sieving comparing S/GNFS. And that is not worth doing until all ECM is run.

Personally, I hope ECM factors both of them!

ETA: When do you plan to push the five numbers that have survived t55 over to yoyo for higher ECM? Just curious.

Currently 15e is loaded enough, maybe a bit later :)

I am about to have spare GPU resource to do 10k@6e8 on some number (this will take all of March).

Which number should I pick? Current thought is either C190_149_91 or C193_136_129, which are the numbers of that digit count with highest SNFS:GNFS difficulty ratio.

[QUOTE=fivemack;427575]I am about to have spare GPU resource to do 10k@6e8 on some number (this will take all of March).

Which number should I pick? Current thought is either C190_149_91 or C193_136_129, which are the numbers of that digit count with highest SNFS:GNFS difficulty ratio.[/QUOTE]

Bump. Not sure XYYXF has seen this posting.

If this were a poll (which it is not), I would go with C190_149_91. It has already seen t55 and is ready for the big stuff.

I'd also prefer C190.

OK, 416*25 curves started on C190_149_91

[QUOTE=swellman;425659]I'll take C184_135_106 for ECM to t55.

[/QUOTE]

Completed 18000 curves @B1 = 11e7 with no factors found. Releasing number.