is 2 332331863 - 1
has 100041860 decimal digits
takes 4,943.436 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual280736.813463.7500 %319000082695000162.23264.6747 %899.046065.4446 %
Target2811,473.627364.1975 %1900000400000000508.79794.0319 %1,982.425265.6410 %
Difference-1-736.8139-0.4475 %+1290000-317305000-346.5653+0.6429%-1,083.3792-0.1965 %

Known prime factors (1 factor, 94.3 bits, 0.00002839% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
332331863249400076311160978092087913532994.33237522745195088467652
22 × 3 × 13 × 55589 × 187951 × 23021653
2019-04-071879512302165312,071,95930.88650.528

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-04-07CaptainEntropyThinkStation2.67x2H319000082695000622994.332162.24.292%


Trial Factoring results:
57585960616263646566676869707172737475767778798081
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2023-10-18James HeinrichManual testing267268
2009-11-19Grant McCrackenthumper2682690.180
2010-12-30SunfishServer012692700.360
2011-05-18Grant McCrackenBrett-Laptop2702710.720
2012-07-26Grant McCrackenJana-Laptop2712721.439
2013-01-19LaurVManual testing2722732.878
2013-12-02Team_InspectorAngelou2732745.756
2014-04-21Preben SManual testing27427511.51
2016-03-22Team_InspectorSpudBoy327527623.03
2018-12-31Random GPUsManual testing27627746.05
2018-12-31Random GPUsManual testing277278
2018-12-31Random GPUsManual testing278279
2018-12-31Random GPUsManual testing279280


ECM factoring results:
No ECM results for M332331863


Lucas-Lehmer results:
No L-L results for M332331863


PRP results:
No PRP results for M332331863


CERT results:
No CERT results for M332331863


P-1 factor-bounds graph:
B1 = 3190000, B2 = 82695000 (P-1 stage 2)
B1 = 3190000 (P-1 stage 1)
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108
TF factor-bounds graph:
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268
this exponent TF target: 81
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00