is 2 332196427 - 1
has 100001089 decimal digits
takes 4,941.422 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L793630809406CE67double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual280737.113863.7500 %190000080000000132.75794.4042 %869.871765.3465 %
Target2811,474.228164.1975 %1900000400000000508.79794.0317 %1,983.026065.6410 %
Difference-1-737.1143-0.4475 %--320000000-376.0400+0.3725%-1,113.1543-0.2945 %

Known prime factors (1 factor, 88.1 bits, 0.00002651% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
3321964273212170430902246816015588972788.054483474560504867624
23 × 7 × 11 × 1627 × 49171 × 9810617
2021-05-30491719810617188,70112.53121.532

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2014-06-28serkanbirkanbirkans40900004090000--93.502.054%
2021-05-30KrieselManual testing19000008000000022788.054132.84.032%


Trial Factoring results:
57585960616263646566676869707172737475767778798081
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2023-10-18James HeinrichManual testing267268
2008-10-04Team_Inspectorthumbelina2682690.180
2008-10-04Team_Inspectorthumbelina2692700.360
2008-10-08ScottKITCHEN2702710.720
2008-10-11ScottKITCHEN2712721.440
2008-10-20ScottKITCHEN2722732.879
2008-11-02ScottKITCHEN2732745.759
2008-12-05ScottKITCHEN27427511.52
2011-08-05Jorenaarsaooem27527623.03
2014-04-17Team_InspectorSpudBoy327627746.07
2014-04-21krackerManual testing27727892.14
2014-04-21krackerManual testing278279184.3
2018-07-25Random GPUsManual testing279280368.6


ECM factoring results:
No ECM results for M332196427


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2018-07-15serkanbirkan793630809406CE674,941


PRP results:
No PRP results for M332196427


CERT results:
No CERT results for M332196427


P-1 factor-bounds graph:
B1 = 1900000, B2 = 80000000 (P-1 stage 2)
B1 = 4090000 (P-1 stage 1)
B1 = 1900000 (P-1 stage 1)
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108
TF factor-bounds graph:
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275
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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