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Old 2022-08-03, 15:55   #2223
richs
 
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"Rich"
Aug 2002
Benicia, California

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Thanks so much, Sean. I will test sieve.
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Old 2022-08-04, 07:04   #2224
LaurV
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Jun 2011
Thailand

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Quote:
Originally Posted by swellman View Post
A new c169 record!

Code:
n: 3076538816413370801308728110492126338069643909625293377059672571969575770774818583263918182117734002872521071268623532170817382226467589824320978677267737644544872334299
skew: 4331378.46
c0: 339868728376424658232615961163007381125
c1: 853692065942027129610198601328605
c2: -188476908355219518022068759
c3: -112798311428147196729
c4: 26674974487406
c5: 1452360
Y0: -430163480459858697918448392674446
Y1: 158165359934887082098631
# MurphyE (Bf=2.147e+09,Bg=1.074e+09,area=2.631e+15) = 4.145e-08
# skew 4331378.46, size 2.132e-016, alpha -6.891, combined = 4.648e-013 rroots = 3
Poly by CADO, optimal skew by cownoise and score by msieve.

Searching terminated.

Thanks a billion. Will start sieving in weekend.
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Old 2022-08-14, 18:00   #2225
unconnected
 
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May 2009
Russia, Moscow

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Hi, guys, after extensively ECM-testing I need a poly for this C189 coming from aliquot sequence 11040:i10209 :

Code:
142511357330466243476746690497051575928345729751366129422971474654704075568089404245440258486192592405061316915235821208519879617537091746369391499418464177318972566719274808703086801429397
Since the number is starting from 142..., there is a good chance to beat a record e-score.


My best poly so far (I'm searching 0M-5M):
Code:
# norm 1.894724e-18 alpha -6.655811 e 2.253e-14 rroots 5
skew: 75266545.70
c0: 753545999163595940067822094094581367635952775
c1: 9779981475089077072344551583115700440
c2: -2946633176349596562589560432473
c3: -28192506079899210059080
c4: 625484152820466
c5: 199728
Y0: -3721192207238732077084665946178550892
Y1: 25409780924749429507
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Old 2022-08-14, 18:34   #2226
swellman
 
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Jun 2012

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Quote:
Originally Posted by unconnected View Post
Hi, guys, after extensively ECM-testing I need a poly for this C189 coming from aliquot sequence 11040:i10209 :

Code:
142511357330466243476746690497051575928345729751366129422971474654704075568089404245440258486192592405061316915235821208519879617537091746369391499418464177318972566719274808703086801429397
Since the number is starting from 142..., there is a good chance to beat a record e-score.


My best poly so far (I'm searching 0M-5M):
Code:
# norm 1.894724e-18 alpha -6.655811 e 2.253e-14 rroots 5
skew: 75266545.70
c0: 753545999163595940067822094094581367635952775
c1: 9779981475089077072344551583115700440
c2: -2946633176349596562589560432473
c3: -28192506079899210059080
c4: 625484152820466
c5: 199728
Y0: -3721192207238732077084665946178550892
Y1: 25409780924749429507
I’ll pitch in. Searching now.
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Old 2022-08-15, 03:09   #2227
Plutie
 
"Evan"
Dec 2020
Montreal

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Quote:
Originally Posted by unconnected View Post
Hi, guys, after extensively ECM-testing I need a poly for this C189 coming from aliquot sequence 11040:i10209 :

Code:
142511357330466243476746690497051575928345729751366129422971474654704075568089404245440258486192592405061316915235821208519879617537091746369391499418464177318972566719274808703086801429397
Since the number is starting from 142..., there is a good chance to beat a record e-score.


My best poly so far (I'm searching 0M-5M):
Code:
# norm 1.894724e-18 alpha -6.655811 e 2.253e-14 rroots 5
skew: 75266545.70
c0: 753545999163595940067822094094581367635952775
c1: 9779981475089077072344551583115700440
c2: -2946633176349596562589560432473
c3: -28192506079899210059080
c4: 625484152820466
c5: 199728
Y0: -3721192207238732077084665946178550892
 Y1: 25409780924749429507

will give it a shot, should have something good tomorrow. my current best is 1.878e-14 (15 minutes of msieve-gpu)
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Old 2022-08-15, 17:26   #2228
Plutie
 
"Evan"
Dec 2020
Montreal

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as promised:
3 hours of msieve-gpu over a few different LCs, cado size/root opt

Code:
n: 142511357330466243476746690497051575928345729751366129422971474654704075568089404245440258486192592405061316915235821208519879617537091746369391499418464177318972566719274808703086801429397 
Y0: -3306911518669156528704633740527063178 
Y1: 1412443136271580297601 
c0: 8753585702118798264017971574180247062870008545 
c1: 1462380903005071847006946283271961507733 
c2: -3609286928071149997822765954299 
c3: -216398824337073239972533 
c4: 139051083328194 
c5: 1081080 
skew: 134346295.141 
# lognorm 60.09, E 51.46, alpha -8.64 (proj -2.79), 5 real roots 
# MurphyE(Bf=1.000e+07,Bg=5.000e+06,area=1.000e+16)=2.656e-14


# cownoise:
skew: 181203923.855
e-score 2.67097335e-14

Last fiddled with by Plutie on 2022-08-15 at 17:40
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