is 2 94511447 - 1
has 28450781 decimal digits
takes 342.341 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
Actual27440.480463.5135 %8750001990625010.04164.6855 %50.522065.2231 %
Target27580.962864.0000 %65000011000000034.70514.1979 %115.667865.5112 %
Difference-1-40.4823-0.4865 %+225000-90093750-24.6635+0.4876%-65.1458-0.2881 %

Known prime factors (1 factor, 74.1 bits, 0.00007837% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
94511447197576093482930021757992374.065104524954253917
587 × 69539 × 2560669
2019-08-3169539256066969.1951.07811.3686

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-08-31Ryan PropperManual testing87500019906250622374.06510.044.268%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2011-01-09Architects Cubedm1_692642650.040
2014-02-04Carsten KossendeyManual testing2652680.553
2014-05-08ANONYMOUSManual testing2682690.633
2014-05-09SMoffatManual testing2692701.265
2014-09-17Ryan PropperManual testing2702712.530
2018-09-21Andrew LuebkeManual testing2712725.060
2019-04-06Niels_Mache_NextcloudManual testing27227310.12
2019-08-30ixfd64Manual testing27327420.24


ECM factoring results:
No ECM results for M94511447


Lucas-Lehmer results:
No L-L results for M94511447


PRP results:
No PRP results for M94511447


CERT results:
No CERT results for M94511447


P-1 factor-bounds graph:
B1 = 875000, B2 = 19906250 (P-1 stage 2)
B1 = 875000 (P-1 stage 1)
103
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108
TF factor-bounds graph:
274
273
272
271
270
269
268
265
this exponent TF target: 75
TF double-checked to: 67
250
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Last modified: 2024-03-13T02:15:48+00:00