is 2 88592701 - 1
has 26669061 decimal digits
takes 298.672 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
Actual276172.745564.4737 %725000141375007.11633.5170 %179.861865.7231 %
Target27586.371864.0000 %60000010000000029.40654.0493 %115.778265.4578 %
Difference+1+86.3738+0.4737 %+125000-85862500-22.2902-0.5323 %+64.0836+0.2654 %

Known prime factors (1 factor, 86.9 bits, 0.00009812% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
885927011467701765808028491833949112786.924828342374282068955
5 × 37 × 283 × 443 × 31517 × 1133191
2018-09-10315171133191182,8280.44750.5637

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2018-09-10Jouni Makkonenpuistola725000141375001222786.9247.1163.874%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-11-14Architects Cubedm1_432642650.042
2011-03-22wavelet3000Manual testing2652660.084
2011-04-07wavelet3000Manual testing2662670.169
2011-10-05wavelet3000Manual testing2672702.362
2014-03-09hkskypManual testing2702712.699
2017-07-21ANONYMOUSManual testing27127437.79
2018-09-02TheJudgerManual testing274276129.6


ECM factoring results:
No ECM results for M88592701


Lucas-Lehmer results:
No L-L results for M88592701


PRP results:
No PRP results for M88592701


CERT results:
No CERT results for M88592701


P-1 factor-bounds graph:
B1 = 725000, B2 = 14137500 (P-1 stage 2)
B1 = 725000 (P-1 stage 1)
103
104
105
106
103
104
105
106
107
108
TF factor-bounds graph:
276
274
271
270
267
266
265
this exponent TF target: 75
TF double-checked to: 67
250
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Last modified: 2024-03-13T02:15:48+00:00