is 2 102921769 - 1
has 30982540 decimal digits
takes 409.793 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 LL tests remaining
ResidueStatus
L-L656F24CA4874DD1Edouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual277297.392564.9351 %4710007363440025.73254.1136 %323.125066.3775 %
Target276148.695464.4737 %65000011000000038.14833.8539 %186.843765.8428 %
Difference+1+148.6971+0.4614 %-179000-36365600-12.4158+0.2596%+136.2813+0.5346 %

Known prime factors (1 factor, 103.7 bits, 0.00010073% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1029217691620752765492730562099366550635332103.67678737121468089542946904
23 × 3 × 13 × 37 × 43 × 51797 × 241691 × 12670381
2023-01-03241691126703811.761e+95.30487.4437

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2020-06-05Glaube Carneiro925000925000--5.3401.669%
2023-01-03Mark Roseleonardo47100073634400232103.67628.364.528%


Trial Factoring results:
575859606162636465666768697071727374757677
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-05-041997rj7compa2632640.019
2010-08-20Torchwood InstituteATH2-630-temp2642650.036
2012-05-01Richardsvn_022652660.073
2013-12-19CLICHEJean-Baptiste2662670.145
2014-05-05g0bManual testing2672680.290
2014-05-12mgdavilaINENuevo22682690.581
2014-05-19SatanManual testing2692713.485
2017-11-15el groccoManual testing2712724.647
2020-02-09ViliamFManual testing27227427.88
2020-02-13Niels_Mache_NextcloudManual testing272274
2020-05-03TheJudgerManual testing274277260.2


ECM factoring results:
No ECM results for M102921769


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2020-07-21Glaube Carneiro656F24CA4874DD1E409.8


PRP results:
No PRP results for M102921769


CERT results:
No CERT results for M102921769


P-1 factor-bounds graph:
B1 = 471000, B2 = 73634400 (P-1 stage 2)
B1 = 925000 (P-1 stage 1)
B1 = 471000 (P-1 stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
277
274
272
271
269
268
267
266
265
264
this exponent TF target: 76
TF double-checked to: 67
250
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Last modified: 2024-03-13T02:15:48+00:00