is 2 93166207 - 1
has 28045823 decimal digits
takes 337.469 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
Actual277328.532964.9351 %7550007550003.96541.3430 %332.498365.4060 %
Target27582.131864.0000 %60000011000000034.45684.1475 %116.588665.4931 %
Difference+2+246.4011+0.9351 %+155000-109245000-30.4913-2.8045 %+215.9098-0.0871 %

Known prime factors (1 factor, 78.2 bits, 0.00008393% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
931662073448273364649794691920332478.1901850603065041488
24 × 269 × 787 × 6959 × 78509
2019-08-266959785091,093.40.05700.0744

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-08-26RuzovejManual testing755000755000412478.1903.9651.691%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-12-27Architects Cubedm1_772642650.040
2013-07-20David CampeauManual testing2652660.080
2014-04-11hkskypManual testing2662691.123
2014-05-04ANONYMOUSManual testing2692701.283
2014-09-16Preben SManual testing2702712.567
2017-11-05masserManual testing2712725.133
2019-03-11Carsten KossendeyManual testing27227310.27
2019-05-27Carsten KossendeyManual testing27327420.53
2019-08-18TheJudgerManual testing274277287.5


ECM factoring results:
No ECM results for M93166207


Lucas-Lehmer results:
No L-L results for M93166207


PRP results:
No PRP results for M93166207


CERT results:
No CERT results for M93166207


P-1 factor-bounds graph:
B1 = 755000 (P-1 stage 1)
102
103
104
105
106
102
103
104
105
106
TF factor-bounds graph:
277
274
273
272
271
270
269
266
265
this exponent TF target: 75
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00