Fast Breeding (guru management) - Page 46

RichD · 2016-04-23, 14:27

Quote:

Originally Posted by wblipp

The C162 from P202+1 needs a GNFS polynomial

A nice early find.

Code:

N: 526111087406858180629029361833472419266278032931721221471437842357058230125619631526545893064014364299811242446661925649720187027657845720982412914470745451435533
#  expecting poly E from 9.87e-13 to > 1.13e-12
R0: -18793640728862381262532330967389
R1: 95482623204451
A0: 201319180591103204052900917066952503700
A1: -176240604404998868773519591001760
A2: -36509595509294076434561389
A3: -4944887352944694356
A4: -332614437484
A5: 224400
# skew 5553784.57, size 1.153e-15, alpha -7.113, combined = 1.263e-12 rroots = 3

RichD · 2016-04-23, 20:18

Quote:

Originally Posted by wblipp

The C167 from P242+1 needs a GNFS polynomial

I fairly good polynomial.

Code:

N: 86087216622909320475937817960965069077099649475501883144928791304279628943044259840075854204712662678658205730270678505803343546784997012306732058710137580564986672879
#  expecting poly E from 4.76e-13 to > 5.48e-13
R0: -263429836420403554624443984456492
R1: 1687334346513259
A0: 170804030673630746042437452306105171743809
A1: 35928016643172148445694465426234155
A2: -1028346122195489792311028113
A3: -272050212057472217915
A4: 3256965323604
A5: 67860
# skew 24464701.71, size 2.714e-16, alpha -7.224, combined = 5.206e-13 rroots = 5

debrouxl · 2016-04-24, 09:57

I've queued everything through post #490.
Next up: Sean's big set of XYYXF numbers from post #491 (thanks !), and William's numbers from post #492, with polys by Rich.

swellman · 2016-04-26, 01:14

This C167 has resisted ECM and is ready for GNFS.

Two polys were found by VBCurtis.

Code:

SKEW 8920904.63
R0 -190862896757175215996506631894924
R1 17278669770564749
A0 -801765409147489851488992411196494823451
A1 -2067526509387126302458377520196106
A2 4329877873300447576043111
A3 -11480708134712082790
A4 -1295029280952
A5 313404

SKEW 11816842.14
R0 -129740713277085607819031524394066
R1 12258771179958497
A0 75260276200133277513606655001863056207585
A1 52634164786101166288106597645982942
A2 3432346218311140735327275683
A3 -750062899176262391212
A4 -16394001539526
A5 2159388

Score of the first one is 5.02e-13, while the second is 5.00e-13.

Is this a fit for the 15e queue, seeing how it is running dry?

fivemack · 2016-04-26, 13:00

I have put the C167 onto the 15e queue, it should be done pretty quickly.

We have been for some time in the annoying situation where it takes noticeably longer for an individual to ECM and polynomial-select a number than it does for the queue to devour the number; would it make sense to ask XYYXF to ask Yoyo to run ECM on a pile of SNFS-difficulty-270 numbers so we can stuff the queue a little?

swellman · 2016-04-26, 13:58

Something else to consider as well.

Dubslow · 2016-04-26, 19:44

Cross posting, please do wait another day before queueing the C195 from 4788. Although my progress has been slow the last week or so, I ought to hit a reasonable break point in my CADO searching in the next ~24 hours.

XYYXF · 2016-04-26, 20:38

Quote:

Originally Posted by fivemack

would it make sense to ask XYYXF to ask Yoyo to run ECM on a pile of SNFS-difficulty-270 numbers so we can stuff the queue a little?

I've already asked yoyo to run t60 on a triple of GNFS C188's:
C188_132_125
C188_140_113
C188_149_78

There's also a septic for C300_141_133 which survived a helluva lot of ECM from Ryan:
(141¹⁹)⁷ + 133*(133²⁰)⁷ = 2*C300

As for smaller SNFS, I'd suggest something like C260_126_125, C256_127_121, C257_128_111, but they all need t55.

swellman · 2016-04-26, 22:34

From the GNFS list there are C184_135_106 and C197_147_136. Both have survived a full t55 but need a bit more ECM.

And another monster first reserved by Ryan Propper last summer that sort of faded away.

C282_140_137

It's another septic which survived a lot of ECM by Ryan before he started sieving. At last word, he did manage to build a matrix. Some wisdom from Batalov cautioning about the sqrt phase of a septic.

XYYXF · 2016-05-01, 23:26

34k@260M has been done for С188_132_125. Some polys were provided:
http://www.mersenneforum.org/showpos...&postcount=578

wblipp · 2016-05-02, 03:37

13^227-1 is ready.

I think this is suitable as a big 14e or as a small 15e

--------------------------
P50^5-1 is ready

P50 is the largest factor of 238627478204522171041261^7-1

238627478204522171041261 is the largest factor of 344461909346017^5-1
344461909346017 is the largest factor of 50738998441^3-1
50738998441 is the largest factor of 1567624160569^3-1
1567624160569 is the largest factor of 839108393120143^3-1
839108393120143 is the largest factor of 13339102733461^3-1
13339102733461 is the largest factor of 123152587^3-1
123152587 is the largest factor of 4296301150081+1
4296301150081 is the largest factor of 262209281^3-1
262209281 is the entire value of 127^5-1

2016-04-26, 22:34	#504
swellman Jun 2012 11·281 Posts	From the GNFS list there are C184_135_106 and C197_147_136. Both have survived a full t55 but need a bit more ECM. And another monster first reserved by Ryan Propper last summer that sort of faded away. C282_140_137 It's another septic which survived a lot of ECM by Ryan before he started sieving. At last word, he did manage to build a matrix. Some wisdom from Batalov cautioning about the sqrt phase of a septic. Last fiddled with by swellman on 2016-04-26 at 22:45

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2016-04-24, 09:57	#498
debrouxl Sep 2009 977 Posts	I've queued everything through post #490. Next up: Sean's big set of XYYXF numbers from post #491 (thanks !), and William's numbers from post #492, with polys by Rich.

2016-04-26, 13:00	#500
fivemack (loop (#_fork)) Feb 2006 Cambridge, England 2³·11·73 Posts	I have put the C167 onto the 15e queue, it should be done pretty quickly. We have been for some time in the annoying situation where it takes noticeably longer for an individual to ECM and polynomial-select a number than it does for the queue to devour the number; would it make sense to ask XYYXF to ask Yoyo to run ECM on a pile of SNFS-difficulty-270 numbers so we can stuff the queue a little?

2016-04-26, 13:58	#501
swellman Jun 2012 6023₈ Posts	Something else to consider as well.

2016-04-26, 19:44	#502
Dubslow Basketry That Evening! "Bunslow the Bold" Jun 2011 40<A<43 -89<O<-88 3·29·83 Posts	Cross posting, please do wait another day before queueing the C195 from 4788. Although my progress has been slow the last week or so, I ought to hit a reasonable break point in my CADO searching in the next ~24 hours.

2016-05-01, 23:26	#505
XYYXF Jan 2005 Minsk, Belarus 2⁴·5² Posts	34k@260M has been done for С188_132_125. Some polys were provided: http://www.mersenneforum.org/showpos...&postcount=578

2016-05-02, 03:37	#506
wblipp "William" May 2003 New Haven 93E₁₆ Posts	13^227-1 is ready. I think this is suitable as a big 14e or as a small 15e -------------------------- P50^5-1 is ready P50 is the largest factor of 238627478204522171041261^7-1 238627478204522171041261 is the largest factor of 344461909346017^5-1 344461909346017 is the largest factor of 50738998441^3-1 50738998441 is the largest factor of 1567624160569^3-1 1567624160569 is the largest factor of 839108393120143^3-1 839108393120143 is the largest factor of 13339102733461^3-1 13339102733461 is the largest factor of 123152587^3-1 123152587 is the largest factor of 4296301150081+1 4296301150081 is the largest factor of 262209281^3-1 262209281 is the entire value of 127^5-1