is 2 9324443 - 1
has 2806938 decimal digits
takes 2.577 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
1 primality tests remaining
ResidueStatus
L-L079B498947DA13B5double-checked
PRPD12163E98D83A6__
unverified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2673.186764.1791%11500024437500.09693.5423%3.283665.4480%1.2689%
PrimeNet2640.381762.5000%4000011000000.03923.4905%0.420963.8089%1.3089%
GPU722686.392364.7059%6000014000000.05332.4567%6.445665.5729%0.8671%
Difference-1-3.2057-0.5268%+55000+1043750+0.0436+1.0856%-3.1620-0.1250%-0.1250%

Known prime factors (1 factor, 65.1 bits, 0.00069786% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
9324443387627614168169493672065.0712078556403681
2078556403681
2014-07-14120785564036811.167745,38584,766

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2004-05-25T00:00:00Sturle Sundev4_computers1150002443750---0.097--3.542%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1998-11-14T00:00:00ANONYMOUSv4_computers21255--0.001--
1999-02-21T00:00:00ANONYMOUSv4_computers21262--0.066--
1999-03-26T00:00:00PHeedev4_computers21264--0.382--
2022-04-09T19:24:40LordJuliusManual testing21264--0.382--
2013-09-06T00:59:00NesowaManual testing264265--0.401--
2022-04-09T19:24:40LordJuliusManual testing264265--0.401--
2022-04-09T12:56:29James HeinrichManual testing26526665.071200.3855.2370.783
2022-04-09T19:24:40LordJuliusManual testing26526665.071200.3855.2370.783
2019-10-06T14:23:57mnd9Manual testing266267--1.603--


ECM factoring results:

Old Calculation Method

Total ECM effort:0.841 GHz-days
Estimated T-Level:0.100
DigitsB1CurvesCompleteFacMiss
20110002 / 1000.02098.010%
25500002 / 2800.00799.287%

New Calculation Method

Total ECM effort:0.841 GHz-days
Estimated T-Level:0.100
DigitsB1CompleteFacMiss
20110000.07792.596%
25500000.00799.291%


ECM Summary

B1B2factorcurvesGHz-days
50000500000020.841


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2000-12-14T00:00:00Phantomasv4_computers079B498947DA13B52.577
2003-04-19T00:00:00ANONYMOUSv4_computers079B498947DA13B52.577


PRP results:
dateuseridcompidcofactorsres64PRP
2019-08-26T05:10:24mnd9libproj
38762761416816949367
D12163E98D83A6__no
2020-11-13T12:44:29oodairacom2
38762761416816949367
D12163E98D83A6F9no


P-1 factor-bounds graph:
B1 = 115000, B2 = 2443750 (P-1 stage 2)
B1 = 115000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-04-09T19:24:40+00:00