is 2 104517227 - 1
has 31462821 decimal digits
takes 416.146 GHz-days to do one PRP test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276146.425664.4737%8750001793750010.41863.8514%156.844268.3251%5.8251%
PrimeNet2729.150062.5000%450000220000009.37655.3930%18.526567.8930%5.3930%
GPU72276146.425664.4737%6500002400000011.09733.9248%157.522968.3985%3.9248%
Difference---+225000-6062500-0.6787-0.0734%-0.6787-0.0734%-0.0734%

Known prime factors (1 factor, 89.6 bits, 0.00008569% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
1045172279124145421602691745850217832789.5604364900257831511233
11 × 17 × 433 × 1187 × 8317 × 5460437
831754604372020-12-051,436,5821.76303.2079

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-12-05T13:02:53Ge yongworkQQsvr28750001793750062789.56010.42832.320.843.851%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-19T01:26:00lindedskynet-node033263264--0.019--
2010-08-29T17:11:00Donna NobleRuth-Lappy264265--0.036--
2012-05-05T20:46:00mmVIR004265266--0.071--
2014-05-16T19:17:00ANONYMOUS266267--0.143--
2014-06-11T16:12:00PascalBieriManual testing267268--0.286--
2014-06-29T17:52:00PgaborManual testing268269--0.572--
2014-10-10T15:56:00shaugeManual testing269270--1.144--
2014-10-10T15:56:00shaugeManual testing270271--2.288--
2014-12-29T11:01:00sebanManual testing271272--4.576--
2019-12-04T05:03:17CGHManual testing272273--9.152--
2020-04-01T14:38:08SRBaseManual testing273274--18.30--
2020-10-10T18:45:03ktonyGPU72_TF274275--36.61--
2020-10-21T14:19:01Architects CubedGPU72_TF275276--73.21--


ECM factoring results:
Exponent "104517227" not found


Lucas-Lehmer results:
Exponent "104517227" not found


PRP results:
Exponent "104517227" not found


P-1 factor-bounds graph:
B1 = 875000, B2 = 17937500 (stage 2)
B1 = 875000 (stage 1)
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108
TF factor-bounds graph:
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273
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Last modified: 2020-12-05T13:02:53+00:00