is 2 14006803 - 1
has 4216468 decimal digits
takes 6.215 GHz-days to do one PRP test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-L98C6A3EB1FA9021Fdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27134.131966.1972%15500018600000.15952.3484%34.291368.5455%5.4686%
PrimeNet2650.520963.0769%6000019000000.10314.0022%0.624067.0791%4.0022%
GPU722698.523565.2174%9000024000000.13892.8533%8.662468.0707%2.8533%
Difference+2+25.6084+0.9798%+65000-540000+0.0206-0.5049%+25.6290+0.4749%+0.4749%

Known prime factors (1 factor, 83.6 bits, 0.00059697% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
14006803148306791761325374331487932683.617529409858057278932
22 × 3 × 424849 × 103842749239
4248491038427492392020-05-17194,7083,640.06,798.1

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2004-04-20T00:00:00For Researchv4_computers1550001860000---0.159--2.348%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-08-24T00:00:00ANONYMOUSv4_computers?264--0.140--
2002-01-28T00:00:00ANONYMOUSv4_computers?264--0.140--
2000-08-24T00:00:00ANONYMOUSv4_computers?265--0.267--
2014-07-22T14:07:00NesowaManual testing265266--0.534--
2015-08-18T06:23:00ThaManual testing266267--1.067--
2018-02-09T13:34:20ramgeisManual testing267268--2.134--
2018-02-09T13:34:21ramgeisManual testing268269--4.268--
2018-09-10T16:58:36mikrManual testing269270--8.536--
2020-04-27T20:48:57masserManual testing270271--17.07--


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
50000500000010.675
50000500000010.675


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2004-06-12T00:00:00For Researchv4_computers98C6A3EB1FA9021F6.215
2005-08-01T00:00:00ANONYMOUSv4_computers98C6A3EB1FA9021F6.215


PRP results:
Exponent "14006803" not found


P-1 factor-bounds graph:
B1 = 155000, B2 = 1860000 (stage 2)
B1 = 155000 (stage 1)
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1010
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1012
TF factor-bounds graph:
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268
267
266
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264
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2100
Last modified: 2020-05-18T03:41:34+00:00