is 2 94394609 - 1
has 28415609 decimal digits
takes 341.918 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
Actual276162.127864.4737 %775000156937508.33963.6505 %170.467465.7706 %
Target27581.063064.0000 %65000011000000034.70514.1973 %115.768065.5110 %
Difference+1+81.0649+0.4737 %+125000-94306250-26.3655-0.5468 %+54.6994+0.2595 %

Known prime factors (1 factor, 78.5 bits, 0.00008311% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
943946094131615751271466899475532478.4512188480780333264
24 × 61 × 211 × 2297 × 4626467
2019-09-1922974626467825.951.33532.4727

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-09-19Ryan Propperworkstation775000156937501222478.4518.1954.018%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-12-27Architects Cubedm1_552642650.040
2013-08-02blahpyManual testing2652660.079
2013-08-18SMoffatManual testing2662670.158
2013-08-22SMoffatManual testing2672680.317
2014-02-16qwertyuio999PC12682690.633
2014-10-15bjp2692701.267
2014-11-21shaugeManual testing2702712.533
2018-10-04LaurVManual testing2712725.067
2019-04-01DerekManual testing27227310.13
2019-04-13Niels_Mache_NextcloudManual testing272273
2019-09-08Random GPUsManual testing27327420.27
2019-09-14KrieselManual testing27427540.53
2019-09-15KrieselManual testing27527681.06


ECM factoring results:
No ECM results for M94394609


Lucas-Lehmer results:
No L-L results for M94394609


PRP results:
No PRP results for M94394609


CERT results:
No CERT results for M94394609


P-1 factor-bounds graph:
B1 = 775000, B2 = 15693750 (P-1 stage 2)
B1 = 775000 (P-1 stage 1)
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103
104
105
106
102
103
104
105
106
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108
TF factor-bounds graph:
276
275
274
273
272
271
270
269
268
267
266
265
this exponent TF target: 75
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00