is 2 86093263 - 1
has 25916655 decimal digits
takes 277.292 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
Actual276177.760664.4737 %7000007000003.26911.4411 %181.029864.9857 %
Target27588.879364.0000 %5500009500000026.60103.9503 %115.480365.4221 %
Difference+1+88.8814+0.4737 %+150000-94300000-23.3319-2.5092 %+65.5495-0.4365 %

Known prime factors (1 factor, 85.5 bits, 0.00009928% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
86093263536772175395021646682244412685.473311738779952515940
22 × 5 × 53 × 941 × 3323 × 7013 × 13411
2018-03-18701313411133,9610.03440.0667

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2018-03-18TheJudgerManual testing70000070000012685.4733.6771.618%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-11-20Architects Cubedm1_252642650.043
2011-01-21Michael CManual testing2652660.087
2013-02-28Freaks32Manual testing2662670.174
2013-03-08Freaks32Manual testing2672680.347
2013-06-17elidor2682690.694
2013-06-20roemer2201HPCC2692701.389
2013-07-22Le ComteManual testing2702712.778
2017-03-23Judge HaleManual testing27127316.67
2017-05-28ANONYMOUSManual testing27327422.22
2017-11-221997rj7Manual testing27427544.44
2017-12-03TheJudgerManual testing27527688.88


ECM factoring results:
No ECM results for M86093263


Lucas-Lehmer results:
No L-L results for M86093263


PRP results:
No PRP results for M86093263


CERT results:
No CERT results for M86093263


P-1 factor-bounds graph:
B1 = 700000 (P-1 stage 1)
102
103
104
105
106
102
103
104
105
106
TF factor-bounds graph:
276
275
274
273
271
270
269
268
267
266
265
this exponent TF target: 75
TF double-checked to: 67
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00