is 2 88863001 - 1
has 26750429 decimal digits
takes 299.584 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
Actual276172.220164.4737 %725000143187507.16453.5275 %179.384665.7269 %
Target27586.109064.0000 %60000010000000029.40654.0508 %115.515565.4583 %
Difference+1+86.1110+0.4737 %+125000-85681250-22.2419-0.5233 %+63.8691+0.2686 %

Known prime factors (1 factor, 82.9 bits, 0.00009323% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
8886300187167888194043069663758572582.85049046221269323928
23 × 33 × 13 × 29 × 259517 × 2320837
2018-10-07259517232083715,1451.81762.5819

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2018-10-07TheJudgerManual testing725000143187501222582.8507.6983.886%


Trial Factoring results:
5758596061626364656667686970717273747576
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-11-16Architects Cubedm1_172642650.042
2011-03-24wavelet3000Manual testing2652660.084
2011-03-29wavelet3000Manual testing2662680.505
2012-01-03wavelet3000Manual testing2682702.018
2013-07-22S00030vd062702712.691
2014-01-30SMoffatManual testing2712725.382
2017-08-12ANONYMOUSManual testing27227432.29
2018-09-18fre_gamesManual testing27427543.06
2018-09-23TheJudgerManual testing27527686.11


ECM factoring results:
No ECM results for M88863001


Lucas-Lehmer results:
No L-L results for M88863001


PRP results:
No PRP results for M88863001


CERT results:
No CERT results for M88863001


P-1 factor-bounds graph:
B1 = 725000, B2 = 14318750 (P-1 stage 2)
B1 = 725000 (P-1 stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
276
275
274
272
271
270
268
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