is 23363809-1
has 1012608 decimal digits
takes 0.353 GHz-days to do one L-L test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-L8215B0E0568AB1E7double-checked
PRPA451824897B98A40double-checked

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26817.719567.6471%40000001500000001.82068.8023%19.540076.4494%13.1160%
PrimeNet2600.045763.3333%140002800000.00432.8418%0.050066.1751%2.8418%
GPU722641.058165.6250%180003200000.00521.7885%1.063467.4135%1.7885%
Difference+4+16.6613+2.0221%+3982000+149680000+1.8153+7.0138%+18.4766+9.0359%+9.0359%

Known prime factors (1 factor, 118.9 bits, 0.00353603% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
336380963982861870075467806295929161375784936118.94595104778348109936988538780236
22 × 7 × 62323 × 90073 × 159059 × 419927 × 9058771
41992790587712020-12-104.591e+100.13560.1404

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2009-07-06T08:40:00Carsten Kossendeydurandal15000206250---0.004--0.810%
2011-10-15T03:12:00harleeP4_260055000907500---0.015--1.830%
2014-06-09T10:16:00Jocelyn LaroucheManual testing7620176201---0.012--0.738%
2014-09-29T22:05:00Jocelyn LaroucheManual testing9528295282---0.015--0.845%
2015-07-20T07:57:00Squeeky_SquirrelP4_26001650004290000---0.059--3.293%
2017-04-05T21:55:34Jocelyn Larouche low 4MManual testing33000033000006---0.075--3.426%
2020-12-10T10:02:40mikrMSI40000001500000001236118.9451.8210.7073.6418.802%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2016-02-23T16:29:26Mark RoseManual testing21260--0.046--
2009-03-27T18:50:00S485122USB-A260261--0.046--
2011-09-03T02:50:00Grant McCrackenthumper261262--0.091--
2012-11-15T00:21:00GrunwalderGIMPManual testing21263--0.474--
2016-02-23T16:29:26Mark RoseManual testing262263--0.292--
2015-02-11T09:07:00VictordeHollanderManual testing263264--0.584--
2015-02-11T09:07:00VictordeHollanderManual testing264265--1.111--
2016-03-04T09:43:18ramgeisManual testing265266--2.222--
2017-03-07T14:12:51Gordon SpenceManual testing266267--4.443--
2018-11-26T14:19:31TJAOIManual testing267268--8.886--


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
500005000000152.194


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
1999-10-21T00:00:00Murray Hendersonv4_computers8215B0E0568AB1E70.353


PRP results:
dateuseridcompidcofactorsres64PRP
2020-12-10T18:15:34riccardo ubertiColab_noGPU8
639828618700754678062959291613757849
A451824897B98A40no


P-1 factor-bounds graph:
B1 = 4000000, B2 = 150000000 (stage 2)
B1 = 4000000 (stage 1)
B1 = 330000, B2 = 3300000 (stage 2)
B1 = 165000, B2 = 4290000 (stage 2)
B1 = 330000 (stage 1)
B1 = 165000 (stage 1)
B1 = 55000, B2 = 907500 (stage 2)
B1 = 95282 (stage 1)
B1 = 76201 (stage 1)
B1 = 55000 (stage 1)
B1 = 15000, B2 = 206250 (stage 2)
B1 = 15000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2020-12-10T18:15:34+00:00