is 2 129303089 - 1
has 38924109 decimal digits
takes 656.393 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
Actual2813,787.483466.6667 %8050001408750011.25222.2739 %3,798.735567.4246 %
Target277236.716464.9351 %80000014000000061.71263.8724 %298.429166.2929 %
Difference+4+3,550.7669+1.7316 %+5000-125912500-50.4605-1.5986 %+3,500.3064+1.1317 %

Known prime factors (1 factor, 82.5 bits, 0.00006383% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
12930308970017476183377292218436632582.53427074943346240279
7 × 29 × 412 × 67 × 101 × 11724859
2017-03-211681117248597,575.04.71388.7822

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2017-03-21QingkongS_C680500014087500622582.53411.253.384%


Trial Factoring results:
57585960616263646566676869707172737475767778798081
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-07-30Aliali-pone2632640.015
2010-11-10sasaki3MATE_J22642650.029
2012-10-04subgeniusck-pasqual2652660.058
2015-01-13vwflat4j-laptop2662670.116
2016-03-10proxy2222Manual testing2672680.231
2016-04-27DerekManual testing2682690.462
2016-05-25XebecerManual testing2692700.925
2016-05-25XebecerManual testing2702711.849
2016-05-25XebecerManual testing2712723.699
2016-05-25XebecerManual testing2722737.397
2016-05-25XebecerManual testing27327414.79
2016-05-25XebecerManual testing27427529.59
2016-05-25XebecerManual testing27527659.18
2016-05-25XebecerManual testing276277118.4
2016-05-25XebecerManual testing277278236.7
2016-05-25XebecerManual testing278279473.4
2016-05-25XebecerManual testing279280946.9
2016-05-25XebecerManual testing2802811,894


ECM factoring results:
No ECM results for M129303089


Lucas-Lehmer results:
No L-L results for M129303089


PRP results:
No PRP results for M129303089


CERT results:
No CERT results for M129303089


P-1 factor-bounds graph:
B1 = 805000, B2 = 14087500 (P-1 stage 2)
B1 = 805000 (P-1 stage 1)
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108
TF factor-bounds graph:
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279
278
277
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275
274
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266
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264
this exponent TF target: 77
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00