is 2 93040447 - 1
has 28007966 decimal digits
takes 337.013 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
Actual277328.977064.9351 %7200007200003.78161.3142 %332.758665.3959 %
Target27582.242864.0000 %60000011000000034.45684.1468 %116.699665.4928 %
Difference+2+246.7342+0.9351 %+120000-109280000-30.6752-2.8326 %+216.0590-0.0969 %

Known prime factors (1 factor, 82.9 bits, 0.00008908% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
9304044789126506218203624561920092582.88247896645540731132
22 × 3 × 14983 × 501967 × 530701
2019-08-2350196753070116,2972.64475.3656

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-08-23Ryan PropperManual testing72000072000012582.8823.7821.656%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2011-01-08Architects Cubeda3_bu22642650.040
2013-07-16David CampeauManual testing2652660.080
2014-02-09H.ArrietaManual testing2662670.161
2014-09-15workerthreadManual testing2672680.321
2014-09-15Ryan PropperManual testing2682701.928
2014-12-06RichD0Manual testing2702712.570
2018-03-17proxy2222Manual testing2712725.140
2019-02-16ixfd64Manual testing27227310.28
2019-06-17Hans LoeblichManual testing27327420.56
2019-07-27KrieselManual testing27427541.12
2019-07-29KrieselManual testing27527682.24
2019-08-12TheJudgerManual testing276277164.5


ECM factoring results:
No ECM results for M93040447


Lucas-Lehmer results:
No L-L results for M93040447


PRP results:
No PRP results for M93040447


CERT results:
No CERT results for M93040447


P-1 factor-bounds graph:
B1 = 720000 (P-1 stage 1)
104
105
106
104
105
106
TF factor-bounds graph:
277
276
275
274
273
272
271
270
268
267
266
265
this exponent TF target: 75
TF double-checked to: 67
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00