is 2 88435783 - 1
has 26621824 decimal digits
takes 298.143 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
Actual276173.052164.4737 %725000143187507.16453.5254 %180.216665.7261 %
Target27586.525064.0000 %60000010000000029.40654.0484 %115.931565.4574 %
Difference+1+86.5270+0.4737 %+125000-85681250-22.2419-0.5230 %+64.2851+0.2687 %

Known prime factors (1 factor, 95.3 bits, 0.00010780% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
88435783499463910659596616143914062412995.334282387905504040494640
24 × 3 × 5 × 1511 × 11351 × 26317 × 2606753
2018-08-26263172606753121,366,3250.81591.2967

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2018-08-26TheJudgerManual testing725000143187501222995.3347.6983.883%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-11-14Architects Cubedm1_712642650.042
2011-03-11wavelet3000Manual testing2652660.084
2011-04-09wavelet3000Manual testing2662670.169
2011-08-23wavelet3000Manual testing2672702.366
2013-06-25SMoffatManual testing2702712.704
2017-07-21ANONYMOUSManual testing27127437.86
2018-08-13tServoManual testing274276129.8


ECM factoring results:
No ECM results for M88435783


Lucas-Lehmer results:
No L-L results for M88435783


PRP results:
No PRP results for M88435783


CERT results:
No CERT results for M88435783


P-1 factor-bounds graph:
B1 = 725000, B2 = 14318750 (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
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Last modified: 2024-03-13T02:15:48+00:00