is 2 133999501 - 1
has 40337870 decimal digits
takes 710.942 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
Actual2727.136862.5000 %13650004129125027.23576.9148 %34.372565.0931 %
Target277228.420064.9351 %80000015000000068.69003.9391 %297.110066.3163 %
Difference-5-221.2831-2.4351 %+565000-108708750-41.4543+2.9757%-262.7374-1.2233 %

Known prime factors (1 factor, 81.7 bits, 0.00006097% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
13399950139178033281207529143239932581.69614618723573159996
22 × 2003 × 281069 × 6491657
2018-09-2428106964916573,654.74.76545.0819

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2018-09-24timbitManual testing136500041291250622581.69627.244.454%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-06-06chargerSL263.1800.242632640.015
2010-11-21Charles A. Morrischandra2642650.028
2012-10-24buteraBackup2652660.056
2015-01-23aurashiftusslcburnin232662670.112
2016-01-15workerthreadManual testing2672680.223
2016-01-17workerthreadManual testing2682690.446
2016-01-20workerthreadManual testing2692700.892
2016-01-29workerthreadManual testing2702711.785
2016-03-13Choi4KANGManual testing2712723.569


ECM factoring results:
No ECM results for M133999501


Lucas-Lehmer results:
No L-L results for M133999501


PRP results:
No PRP results for M133999501


CERT results:
No CERT results for M133999501


P-1 factor-bounds graph:
B1 = 1365000, B2 = 41291250 (P-1 stage 2)
B1 = 1365000 (P-1 stage 1)
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TF factor-bounds graph:
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this exponent TF target: 77
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00