is 2 92731439 - 1
has 27914945 decimal digits
takes 335.894 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
Actual277330.073264.9351 %705000125137507.08203.1145 %337.155266.0272 %
Target27582.516964.0000 %60000011000000034.45684.1451 %116.973665.4922 %
Difference+2+247.5564+0.9351 %+105000-97486250-27.3748-1.0306 %+220.1816+0.5349 %

Known prime factors (1 factor, 88.1 bits, 0.00009502% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
927314393355750900834928593298458392788.1171809392228257629321
32 × 113 × 1619 × 394577 × 2785051
2020-02-223945772785051889,7662.75654.2177

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2020-02-22krackercentre7050001251375022788.1177.0823.788%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2011-01-06Architects Cubedm1_862642650.040
2013-07-14David CampeauManual testing2652660.081
2014-02-09ANONYMOUShOng032662670.161
2014-02-14SDCoct8pus2672680.322
2014-04-18ANONYMOUSManual testing2682690.645
2014-06-22David_DirkxDIENSTB042692701.289
2014-09-18PascalBieriManual testing2702712.579
2018-05-18storm5510Manual testing2712725.157
2019-01-29DerekManual testing27227310.31
2019-03-24Tim SorberaManual testing27327420.63
2019-07-21TheJudgerManual testing274277288.8


ECM factoring results:
No ECM results for M92731439


Lucas-Lehmer results:
No L-L results for M92731439


PRP results:
No PRP results for M92731439


CERT results:
No CERT results for M92731439


P-1 factor-bounds graph:
B1 = 705000, B2 = 12513750 (P-1 stage 2)
B1 = 705000 (P-1 stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
277
274
273
272
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