is 2 85070651 - 1
has 25608818 decimal digits
takes 273.998 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
Actual276179.897564.4737 %680000134300006.41993.4349 %186.317465.6940 %
Target27589.947764.0000 %5500009500000026.60103.9445 %116.548765.4200 %
Difference+1+89.9498+0.4737 %+130000-81570000-20.1811-0.5096 %+69.7687+0.2739 %

Known prime factors (1 factor, 92.8 bits, 0.00010909% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
8507065186240436568047446631042876732892.80050687537684440340436
22 × 3 × 787 × 823 × 839 × 1103 × 7047059
2017-12-161103704705921,374,9291.79803.3490

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2017-12-16aurashiftusslcburnin16680000134300001222892.8006.2203.786%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-11-24Architects Cubedm1_192642650.044
2013-01-24E.Lechner2652660.088
2013-02-24Freaks32Manual testing2662670.176
2013-02-28Freaks32Manual testing2672680.351
2014-02-10Houd Al-Obaidlihpi72682690.703
2014-02-20ANONYMOUS2692701.405
2014-08-24Team_InspectorAngelou2702712.811
2017-03-04ANONYMOUSManual testing27127439.35
2017-07-27Mark RoseManual testing274276134.9


ECM factoring results:
No ECM results for M85070651


Lucas-Lehmer results:
No L-L results for M85070651


PRP results:
No PRP results for M85070651


CERT results:
No CERT results for M85070651


P-1 factor-bounds graph:
B1 = 680000, B2 = 13430000 (P-1 stage 2)
B1 = 680000 (P-1 stage 1)
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103
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105
106
102
103
104
105
106
107
108
TF factor-bounds graph:
276
274
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