is 2 14569693 - 1
has 4385915 decimal digits
takes 6.977 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L8FBD627A991B1B2Cdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2672.039464.1791%18000040950000.27314.4880%2.312565.7867%1.6076%
PrimeNet2650.500763.0769%6500019000000.11464.0813%0.615364.5838%1.5069%
GPU722698.194265.2174%10000026000000.16402.9805%8.358266.2541%1.0367%
Difference-2-6.1548-1.0383%+80000+1495000+0.1091+1.5075%-6.0457-0.4674%-0.4674%

Known prime factors (1 factor, 77.6 bits, 0.00053280% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
145696932334954525501260740216572477.6288013053279507196
22 × 3 × 157 × 4253212993369
2016-10-2115742532129933693,044.8160,908300,532

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2002-05-05T00:00:00ANONYMOUSv4_computers1800004095000---0.273--4.488%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-08-17T00:00:00Net_Forcev4_computers21256--0.001--
2000-08-24T00:00:00Net_Forcev4_computers21257--0.001--
2000-08-24T00:00:00Net_Forcev4_computers21258--0.003--
2000-11-25T00:00:00ANONYMOUSv4_computers21264--0.244--
2001-01-28T00:00:00ANONYMOUSv4_computers21265--0.501--
2014-08-25T21:13:00NesowaManual testing265266--0.513--
2015-09-26T14:18:40NesowaManual testing266267--1.026--


ECM factoring results:

Old Calculation Method

Total ECM effort:0.728 GHz-days
Estimated T-Level:0.050
DigitsB1CurvesCompleteFacMiss
20110001 / 1000.01099.000%
25500001 / 2800.00499.643%

New Calculation Method

Total ECM effort:0.728 GHz-days
Estimated T-Level:0.050
DigitsB1CompleteFacMiss
20110000.03896.227%
25500000.00499.645%


ECM Summary

B1B2factorcurvesGHz-days
50000500000010.728


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2002-05-18T00:00:00ANONYMOUSv4_computers8FBD627A991B1B2C6.977
2005-07-17T00:00:00Team Prime Ribv4_computers8FBD627A991B1B2C6.977


PRP results:
No PRP results for M14569693


P-1 factor-bounds graph:
B1 = 180000, B2 = 4095000 (P-1 stage 2)
B1 = 180000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2016-10-21T13:36:17+00:00