is 2 92537377 - 1
has 27856527 decimal digits
takes 335.191 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
Actual277330.765464.9351 %500000150000006.77543.0802 %337.540866.0151 %
Target27582.689964.0000 %60000011000000034.45684.1440 %117.146765.4919 %
Difference+2+248.0755+0.9351 %-100000-95000000-27.6814-1.0639 %+220.3941+0.5233 %

Known prime factors (1 factor, 86.3 bits, 0.00009330% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
92537377975599399986812886138990972686.334527138023366932524
22 × 401 × 1279 × 81001 × 3172189
2019-11-12810013172189305,1281.31001.6954

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-11-12krackerManual testing5000001500000022686.3346.7753.760%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2011-01-12Architects Cubedm1_442642650.040
2013-07-12David CampeauManual testing2652660.081
2013-08-29Norman LeyManual testing2662670.162
2013-09-07processinfoManual testing2672680.323
2013-09-13Preben SManual testing2682690.646
2014-02-04Preben SManual testing2692701.292
2014-03-21tjaehnsiSolar_Powered2702712.584
2018-06-14apocalypseManual testing271276160.2
2019-03-12Jon PaceManual testing276277165.4


ECM factoring results:
No ECM results for M92537377


Lucas-Lehmer results:
No L-L results for M92537377


PRP results:
No PRP results for M92537377


CERT results:
No CERT results for M92537377


P-1 factor-bounds graph:
B1 = 500000, B2 = 15000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
103
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105
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103
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105
106
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108
TF factor-bounds graph:
277
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271
270
269
268
267
266
265
this exponent TF target: 75
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00