is 2 414000127 - 1
has 124626457 decimal digits
takes 8,133.377 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
Actual2811,182.930364.1975 %3120000312000088.87781.9143 %1,271.808164.8829 %
Target2822,365.861064.6341 %2400000500000000840.65314.0430 %3,206.514166.0640 %
Difference-1-1,182.9307-0.4366 %+720000-496880000-751.7753-2.1287 %-1,934.7061-1.1811 %

Known prime factors (1 factor, 93.8 bits, 0.00002265% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
414000127170004072129432760682605912012993.78020531886470826222800
24 × 52 × 7 × 11 × 43 × 149 × 89413 × 1163651
2019-11-258941311636514,845,2844.21435.1837

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-11-25KrieselManual testing3120000312000012993.78095.381.728%


Trial Factoring results:
5758596061626364656667686970717273747576777879808182
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2011-03-04Rob_Deetwopc2652660.018
2014-05-30The MawnManual testing2662680.108
2016-12-12ConductorManual testing2682690.144
2017-04-17YxinityManual testing2692700.289
2019-05-08mikrManual testing2702710.578
2019-05-12mikrManual testing2712721.155
2019-05-12mikrManual testing2722732.310
2019-05-12mikrManual testing2732744.621
2019-05-12mikrManual testing2742759.242
2019-05-12mikrManual testing27527618.48
2019-10-17KrieselManual testing27627736.97
2019-10-17KrieselManual testing27727873.93
2019-10-17KrieselManual testing278279147.9
2019-10-17KrieselManual testing279280295.7
2019-10-17KrieselManual testing280281591.5


ECM factoring results:
No ECM results for M414000127


Lucas-Lehmer results:
No L-L results for M414000127


PRP results:
No PRP results for M414000127


CERT results:
No CERT results for M414000127


P-1 factor-bounds graph:
B1 = 3120000 (P-1 stage 1)
103
104
105
106
107
103
104
105
106
107
TF factor-bounds graph:
281
280
279
278
277
276
275
274
273
272
271
270
269
268
266
this exponent TF target: 82
TF double-checked to: 67
250
260
270
280
290
2100
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Last modified: 2024-03-13T02:15:48+00:00