Polynomial Request Thread

[Gimarel]

I have a better poly with a very good skew:

# norm 2.912227e-20 alpha -6.912437 e 1.679e-15 rroots 5
skew: 38014712.00
c0: -4501688172420062729300215264178114512768869180
c1: 564045175152494046074755223374653984932
c2: 158848251695119671960405053936279
c3: -11435661059943728525122341
c4: -122075871817044330
c5: 172972800
Y0: -9868585257424310722795181007840406005619
Y1: 1239549482802388317841

[swellman]

Originally Posted by Gimarel

I have a better poly with a very good skew:

# norm 2.912227e-20 alpha -6.912437 e 1.679e-15 rroots 5
skew: 38014712.00
c0: -4501688172420062729300215264178114512768869180
c1: 564045175152494046074755223374653984932
c2: 158848251695119671960405053936279
c3: -11435661059943728525122341
c4: -122075871817044330
c5: 172972800
Y0: -9868585257424310722795181007840406005619
Y1: 1239549482802388317841

An outstanding find. I’ve updated the record GNFS poly table with this escore.

[unconnected]

Hi guys, I need a poly for this C194 coming from aliquot sequence 933436:

n: 47865687229131184317692578921068303977020064182267271352643679500427297093018908790333342047904946543962939075496676005046504518963042383403247568991757829882212233001572969185349893873168471477

My best poly so far (searched 0M-1M):

n: 47865687229131184317692578921068303977020064182267271352643679500427297093018908790333342047904946543962939075496676005046504518963042383403247568991757829882212233001572969185349893873168471477
# norm 4.393741e-19 alpha -8.004881 e 8.992e-15 rroots 5
skew: 302869439.11
c0: -1904799351166368256228649094428121966130532685393
c1: 2703602505822728510850264032691641920608
c2: 286698028911285559488237892840705
c3: -278901398275917468122600
c4: -4088230794531152
c5: 215832
Y0: -46685466577322731332006099931334206390
Y1: 307124852042852485751

Thank you in advance.

[swellman]

I’ll search 1-20M with CADO.

[swellman]

Originally Posted by swellman

I’ll search 1-20M with CADO.

Best I found is not great:

n: 47865687229131184317692578921068303977020064182267271352643679500427297093018908790333342047904946543962939075496676005046504518963042383403247568991757829882212233001572969185349893873168471477
skew: 104897811.632
c0: -215700776326020789225687466332215152308103201800
c1: -12497271383047230382307955583422918667130
c2: 178056005728390488846401674940911
c3: 1793218831325590002242245
c4: -5917077148466364
c5: -36516480
Y0: -19218209598149507338078030237799377607
Y1: 207345523535366263210363
# MurphyE (Bf=8.590e+09,Bg=4.295e+09,area=2.684e+16) = 9.845e-09
# skew 104897811.63, size 4.271e-019, alpha -8.321, combined = 1.007e-014 rroots = 5
# cownoise suggests a skew of 141248697.14 with resulting escore of 1.012e-14

An improvement but I think we can do better. I’ll next search 20M < a5 < 50M with CADO, might be a few days due to other jobs ongoing.

[Gimarel]

I had an early good hit and stopped my search.

# norm 7.265291e-19 alpha -7.720276 e 1.264e-14 rroots 5
skew: 32322331.46
c0: -1235667978997620363556760317293364759074225405
c1: 67395016792443133559867209567626990087
c2: 12107215710907980077439344894861
c3: -385812100351898704373027
c4: -15243862655565396
c5: 43243200
Y0: -16174143659563790702590053718286883154
Y1: 710621880250857012617

[unconnected]

Very good poly, thank you! is it worth to continue search?

[swellman]

Originally Posted by unconnected

Very good poly, thank you! is it worth to continue search?

No. Stopping my search.

[pinhodecarlos]

Originally Posted by swellman

I’ve asked Ed to see if he can improve Gimarel’s polynomial, primarily the very high skew. I sieved at a couple of Q values and tbh the results were a bit disappointing presumably due to the skew. But maybe Ed can improve things.

Regardless, I’ll test sieve Gimarel’s poly once Ed finishes and reports the results.

Regarding the apparent pileup on 16e_small, we got we asked for: a locally managed big siever. Now we just have to manage it.

Personally I don’t care if it takes 6 months or more to get results on “my jobs” but others may feel differently. I too have some upcoming jobs for 16e_small but that’s a discussion for another thread.

On the 16e_small I did request some help to at least process 250k Wu's but at the moment my team is committed to other goals. You have my laptop sympathy until the current Cunningham number is sieved. In the meantime XS team is adding extra daily 20k of Wu's processed to the main Siever and I don't know there intentions.

[charybdis]

Please may I have some help finding a polynomial for 11,759L c190?

1554937516729793328499550307760566801543519412748018595344157081822358267555993057108356762693945291018615370231950594304264650350015082077430183946770662310012209080611550225425328657502581

I will be sieving this myself so would very much appreciate a nice poly. Thanks in advance

[Gimarel]

Originally Posted by charybdis

Please may I have some help finding a polynomial for 11,759L c190?

I'll start in a few hours.