is 2 84528193 - 1
has 25445522 decimal digits
takes 263.769 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
Actual276181.051964.4737 %6750006750003.05421.4141 %184.106164.9760 %
Target27590.524964.0000 %5500009500000025.77233.9414 %116.297265.4189 %
Difference+1+90.5270+0.4737 %+125000-94325000-22.7181-2.5274 %+67.8089-0.4429 %

Known prime factors (1 factor, 82.5 bits, 0.00009758% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
8452819367750525837519011828739992582.48740075697488007943
32 × 94531 × 187877 × 250721
2017-11-1918787725072119,8720.86561.7301

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2017-11-19TheJudgerManual testing67500067500012582.4873.5451.588%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-12-24Architects Cubedm1_562642650.044
2012-08-19Carsten KossendeyManual testing2652660.088
2013-02-24ANONYMOUS2662670.177
2014-02-08Ryan PropperManual testing2672691.061
2014-02-11timc995dl580_g5b2692701.414
2014-03-01Ryan PropperManual testing2702712.829
2017-02-03ANONYMOUSManual testing27127439.61
2017-04-24TheJudgerManual testing274276135.8


ECM factoring results:
No ECM results for M84528193


Lucas-Lehmer results:
No L-L results for M84528193


PRP results:
No PRP results for M84528193


CERT results:
No CERT results for M84528193


P-1 factor-bounds graph:
B1 = 675000 (P-1 stage 1)
104
105
106
104
105
106
TF factor-bounds graph:
276
274
271
270
269
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