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-   -   Polynomial Request Thread (https://www.mersenneforum.org/showthread.php?t=18368)

firejuggler 2013-07-26 05:45

RichD, the best I have right now doesn't come close to yours, except maybe for the skew.
[code]
R0: -841266904723342746233131420252313
R1: 855195155267364017
A0: -30166472851843691039847519848973738784800
A1: 164214468637061679052505169668233520
A2: -15353639313287889495535261470
A3: -9108415526487500533233
A4: 205906441056020
A5: 41020812
skew 7546972.79, size 6.501e-017, alpha -7.824, combined = 2.190e-013 rroots = 5[/code]

VBCurtis 2013-07-26 17:59

Here are my 3rd and 4th best polys for Tom's C176:
[CODE]n: 23847813234751095518553790092375554156554053397317779773831395300907022889988067196688707035368393323174109573706580716877436977083912429179428455659750299481884888866554791173
# norm 3.325425e-017 alpha -7.877752 e 1.295e-013 rroots 3
skew: 5951640.57
c0: -258966513599481929079497470679516666534935
c1: 285698172063866150512027099539634511
c2: 36140358534479527549329501741
c3: -23721865971444823325851
c4: 2071207813249694
c5: 189059640
Y0: -2631297462869838988968661000353606
Y1: 203813686529856847

# norm 3.367613e-017 alpha -7.168929 e 1.301e-013 rroots 5
skew: 3566066.45
c0: 12846994264038559909666735853053878530515
c1: 35740142054062710926827563223220239
c2: -57581223637699248717129312831
c3: -8030589997871536186225
c4: 4361415500113574
c5: 191086896
Y0: -2625690488756168583101379509747664
Y1: 279402161496116951 [/CODE]
This ends my search, after 12 days of GPU time. There are two 1.32e-13 polys posted earlier in this thread, so I've posted my four best.

RichD 2013-08-14 22:15

c155 Poly Needed
 
Aliquot Sequence 3408:i1311 has a c155 that will be completing the ECM requirements soon. Requesting a nice GNFS poly. :smile:

The last term of the sequence is [URL="http://factordb.com/sequences.php?se=1&aq=3408&action=last&fr=0&to=100"]here[/URL].

The c155 is located [URL="http://factordb.com/index.php?id=1100000000628669496"]here[/URL].

wombatman 2013-08-14 22:31

I'll try and get a run started tonight and let it go for a few days.

VBCurtis 2013-08-15 00:46

I'm using stage2norm = 3e20. Starting at coeff 27.5M.
I think a c155 deserves 4-5 GPU-days among us.

wombatman 2013-08-15 00:48

I'll use the same stage 2 norm and run 16M and up (to no higher than 27.5M).

firejuggler 2013-08-15 09:26

I'll play a bit too.

firejuggler 2013-08-15 17:23

got a big flare
[code]
R0: -752215439962598490152595371493
R1: 3043019462110933
A0: -16684657176007582166169914019047758768
A1: 17394275022872707256456451601892
A2: 2404909861959159815942388
A3: -2404339594478673317
A4: -207481588574
A5: 46956
skew 4182639.36, size 5.869e-015, alpha -6.105, combined = 3.230e-012 rroots = 5
[/code]

wombatman 2013-08-15 19:25

What's the E-score range for it? (I'm at work, my msieve is running at home)

firejuggler 2013-08-15 19:38

Expecting poly E from 2.88e-012 to > 3.31e-012

And sorry for releasing my poly so early, it's just that... it's a very good one.

wombatman 2013-08-15 19:41

Nice work!


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