is 2 94456919 - 1
has 28434366 decimal digits
takes 342.144 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
Actual27440.503863.5135 %8750008750004.59572.0141 %45.099564.2484 %
Target27581.009564.0000 %65000011000000034.70514.1976 %115.714665.5111 %
Difference-1-40.5057-0.4865 %+225000-109125000-30.1094-2.1835 %-70.6151-1.2627 %

Known prime factors (1 factor, 74.3 bits, 0.00007861% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
94456919225313834815053293376572374.254119268041558212
22 × 4051 × 47701 × 154303
2019-08-304770115430375.6790.28100.5099

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-08-30Ryan PropperManual testing87500087500012374.2544.5961.802%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-12-30Architects Cubedm1_352642650.040
2014-02-03Carsten KossendeyManual testing2652680.554
2014-09-24workerthreadManual testing2682690.633
2014-09-30workerthreadManual testing2692701.266
2014-11-22shaugeManual testing2702712.532
2018-10-07Kevin HenkelManual testing2712725.063
2019-04-09Niels_Mache_NextcloudManual testing27227310.13
2019-08-26ixfd64Manual testing27327420.25


ECM factoring results:
No ECM results for M94456919


Lucas-Lehmer results:
No L-L results for M94456919


PRP results:
No PRP results for M94456919


CERT results:
No CERT results for M94456919


P-1 factor-bounds graph:
B1 = 875000 (P-1 stage 1)
103
104
105
106
103
104
105
106
TF factor-bounds graph:
274
273
272
271
270
269
268
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