Fast Breeding (guru management) - Page 42

RichD · 2016-03-28, 05:59

Next smaller GNFS number (C166) in the most wanted list (GCW).
Need to check if enough ECM has been performed.
The next smallest GNFS number is reserved so this concludes my work here - for now.

Code:

N: 1406689425310628447281610179096510645974653745832943495045453266044850665384721690599494404502271063844631858339288802104034212392106535768631620416328643598492524763
# expecting poly E from 6.11e-13 to > 7.03e-13
R0: -46305544875021361761400384789323
R1: 1169909472088429
A0: 52061924673339130708490901995268895520
A1: -260517279733314811024847558271882
A2: 17853871447760409040984633
A3: 853952350698680310720
A4: 66697407040644
A5: 6607440
# skew 1409956.17, size 4.276e-16, alpha -7.660, combined = 6.686e-13 rroots = 3

debrouxl · 2016-03-28, 07:10

Pre-reserving that one too for NFS@Home's 14e, pending the confirmation of the amount of ECM work run on this number.

fivemack · 2016-03-29, 11:15

The 15e queue is getting relatively empty; has anyone got a C18x with polynomial search completed or an S27x lying around?

fivemack · 2016-03-29, 11:19

Quote:

Originally Posted by Dubslow

At any rate, Aliquot sequence 4788 is nearing readiness to begin GNFS on the extant C195.

This is a challenging 15e number (that is, the linear algebra will take months on my biggest machine or a week on Greg's 160 Xeon cores).

I have finished GPU stage-1 (10k curves at 6e8) for 149^91+91^149, so will start GPU polynomial selection for that C190 in a week or so when the stage-2 has finished.

swellman · 2016-03-29, 11:46

Quote:

Originally Posted by fivemack

The 15e queue is getting relatively empty; has anyone got a C18x with polynomial search completed or an S27x lying around?

See this post. Wombatman has a candidate for 15e, as do I.

fivemack · 2016-03-29, 13:55

OK: HP2_4496_296 and C219_145_66 test-sieved and queued up

swellman · 2016-03-29, 15:26

Fivemack - thank you!

Lionel - in case of the 14e queue runs dry, here are three more candidates (all ECM'd to t50 by yoyo@Home). I'm in the process of running ECM @B1=11e7 on a list of more difficult candidates but those take time to preprocess.

C171_142_35
C188_140_116
C205_121_72

wombatman · 2016-03-29, 17:27

Quote:

Originally Posted by fivemack

OK: HP2_4496_296 and C219_145_66 test-sieved and queued up

Thanks a ton!

swellman · 2016-03-31, 13:25

A few more nominees just to keep the grid fed past the weekend...

C186_126_110
C208_139_42
C175_148_42

All have survived t50 by yoyo@Home.

jyb · 2016-04-01, 05:41

If the 14e queue needs more substantial composites, here are a few more homogeneous Cunningham numbers. They have all had 10,000 curves with B1 = 110e6. Polynomials available on request.

Code:

12-5,229
3-2,521
3+2,521
8+7,274
4+3,412

swellman · 2016-04-01, 11:08

Quote:

Originally Posted by XYYXF

Ryan Propper ran some ECM curves on them, possibly a few hundreds at B1 = 1G.

Two more xyyx candidates, last worked by Ryan.

C174_130_118
C202_139_60

2016-03-29, 13:55	#457
fivemack (loop (#_fork)) Feb 2006 Cambridge, England 2³·11·73 Posts	OK: HP2_4496_296 and C219_145_66 test-sieved and queued up Last fiddled with by fivemack on 2016-03-29 at 13:56

2016-03-31, 13:25	#460
swellman Jun 2012 11×281 Posts	A few more nominees just to keep the grid fed past the weekend... C186_126_110 C208_139_42 C175_148_42 All have survived t50 by yoyo@Home. Last fiddled with by swellman on 2016-03-31 at 13:36

2016-04-01, 05:41	#461
jyb Aug 2005 Seattle, WA 2·883 Posts	If the 14e queue needs more substantial composites, here are a few more homogeneous Cunningham numbers. They have all had 10,000 curves with B1 = 110e6. Polynomials available on request. Code: 12-5,229 3-2,521 3+2,521 8+7,274 4+3,412 Last fiddled with by jyb on 2016-04-01 at 05:41

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2016-03-28, 07:10	#453
debrouxl Sep 2009 977 Posts	Pre-reserving that one too for NFS@Home's 14e, pending the confirmation of the amount of ECM work run on this number.

2016-03-29, 11:15	#454
fivemack (loop (#_fork)) Feb 2006 Cambridge, England 2³·11·73 Posts	The 15e queue is getting relatively empty; has anyone got a C18x with polynomial search completed or an S27x lying around?

2016-03-29, 15:26	#458
swellman Jun 2012 110000010011₂ Posts	Fivemack - thank you! Lionel - in case of the 14e queue runs dry, here are three more candidates (all ECM'd to t50 by yoyo@Home). I'm in the process of running ECM @B1=11e7 on a list of more difficult candidates but those take time to preprocess. C171_142_35 C188_140_116 C205_121_72