is 2 94942751 - 1
has 28580616 decimal digits
takes 343.904 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
Actual27440.296663.5135 %8900002002500010.15014.7017 %50.446665.2290 %
Target27580.595064.0000 %65000011000000034.70514.2002 %115.300065.5121 %
Difference-1-40.2984-0.4865 %+240000-89975000-24.5550+0.5015%-64.8534-0.2831 %

Known prime factors (1 factor, 82.1 bits, 0.00008643% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
9494275150519811345752862263438392582.06326605407371097169
29 × 41 × 1583 × 13691 × 1032457
2019-09-0813691103245712,0340.36340.5518

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-09-08Ryan PropperManual testing89000020025000622582.06310.154.284%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2011-01-10Architects Cubeda3_bu22642650.039
2014-01-26sasakiManual testing2652670.236
2014-03-21A_SavchenkoManual testing2672680.315
2014-07-24SMoffatManual testing2682690.630
2014-07-27SMoffatManual testing2692701.259
2015-08-13monstManual testing2702712.519
2018-11-07Andrew BManual testing2712725.037
2019-03-13penluManual testing27227310.07
2019-03-13Niels_Mache_NextcloudManual testing272273
2019-09-07Hans LoeblichManual testing27327420.15


ECM factoring results:
No ECM results for M94942751


Lucas-Lehmer results:
No L-L results for M94942751


PRP results:
No PRP results for M94942751


CERT results:
No CERT results for M94942751


P-1 factor-bounds graph:
B1 = 890000, B2 = 20025000 (P-1 stage 2)
B1 = 890000 (P-1 stage 1)
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TF factor-bounds graph:
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this exponent TF target: 75
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00