is 2 11632459 - 1
has 3501720 decimal digits
takes 4.478 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-LF75282FD431CE098double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27282.212566.6667%800000021589789650660.876113.6220%743.088671.2073%4.5407%
Target2685.124064.7059%8000020000000.10312.9273%5.227165.7391%1.0332%
Difference+4+77.0885+1.9608%+7920000+21587789650+660.7731+10.6947%+737.8616+5.4683%+3.5075%

Known prime factors (2 factors, 223.3 bits, 0.00191995% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
116324591941381590090683462382923192787.3278344674114435664301
727 × 15971 × 239201 × 3004553
2022-12-1723920130045534,887,8980.21760.2718
116324598775316664255646373569628159179472699274341136.0113771909561106403372481101441741369
113 × 283 × 17581 × 70891 × 128021 × 2127043 × 347539547
2022-12-1821270433475395471.336e+1011.69319.743

1 Composite Factors:
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2000-12-07T00:00:00ANONYMOUSv4_computers170000170000---0.095--0.847%
2012-03-23T12:45:00James Heinrichi7-9202250005400000---0.283--2.798%
2022-12-17T23:43:40riccardo ubertiColab_noGPU1415000001022349902787.3273.9018.9577.8026.222%
2022-12-18T16:53:56riccardo ubertiXeon20C80000002158978965041136.011660.98.9571,32213.622%


P+1 Factoring results:
dateuseridcompidb1b2startfactorSmoothdigitsbits*ghz-days
2022-12-22T12:54:43riccardo ubertiColab_noGPU1520000004000000027--2.830
2022-12-29T22:28:28riccardo ubertiColab_noGPU1523000004800000065--3.314


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-02-09T00:00:00ANONYMOUSv4_computers21264--0.306--
2013-11-03T23:31:00lycornManual testing264265--0.321--
2014-12-20T11:11:00NesowaManual testing265266--0.642--
2016-01-30T10:01:55VictordeHollanderManual testing266267--1.285--
2018-01-02T10:59:47ramgeisManual testing267268--2.570--
2018-01-02T10:59:47ramgeisManual testing268269--5.139--
2021-08-06T15:18:27SRBaseManual testing269270--10.28--
2021-08-14T16:19:31SRBaseManual testing270271--20.56--
2022-12-11T22:03:01riccardo ubertiGPU72_TF271272--41.11--


ECM factoring results:
Total ECM effort:12.678 GHz-days
Estimated T-Level:2.885
DigitsB1CompleteFacMiss
20110000.57756.162%
25500000.05594.608%
302500000.00499.643%


ECM Summary

B1B2factorcurvesGHz-days
50000500000021.171
50000147022781011.51


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2001-02-18T00:00:00ANONYMOUSv4_computersF75282FD431CE0984.478
2004-04-09T00:00:00Barbados_Islandv4_computersF75282FD431CE0984.478


PRP results:
dateuseridcompidcofactorsres64PRP
2022-12-19T05:19:43riccardo ubertiNomad2C
194138159009068346238292319
5650FF2704AFB0F5no
2022-12-20T05:33:19riccardo ubertiNomad2C
194138159009068346238292319
87753166642556463735696281591794726992743
5650FF2704AFB0F5no


P-1 factor-bounds graph:
B1 = 8000000, B2 = 21589789650 (P-1 stage 2)
B1 = 8000000 (P-1 stage 1)
B1 = 1500000, B2 = 102234990 (P-1 stage 2)
B1 = 1500000 (P-1 stage 1)
B1 = 225000, B2 = 5400000 (P-1 stage 2)
B1 = 225000 (P-1 stage 1)
B1 = 170000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-12-29T22:28:28+00:00