is 2 81180607 - 1
has 24437798 decimal digits
takes 253.323 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L41E9B70AB51AFA0Ddouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27594.257864.0000%64500091912505.02523.4551%99.283165.2438%1.2438%
PrimeNet2715.889161.9718%340000160000005.39895.2562%11.287963.9707%1.9988%
GPU7227594.257864.0000%550000180000006.79033.8817%101.048265.3974%1.3974%
Difference---+95000-8808750-1.7651-0.4266%-1.7651-0.1536%-0.1536%

Known prime factors:
No known factors for M81180607

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2017-05-02T13:19:56deo2016deo2016.home.new6450009191250---5.025--3.455%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-12-02T07:20:00Architects Cubedm1_04264265--0.046--
2011-02-17T18:17:00steinrarManual testing265267--0.276--
2011-02-17T18:17:00steinrarManual testing267268--0.368--
2011-02-17T18:17:00steinrarManual testing268269--0.736--
2011-02-17T18:17:00steinrarManual testing269270--1.473--
2011-02-17T18:17:00steinrarManual testing270271--2.946--
2014-01-23T14:10:00rlakeManual testing271272--5.891--
2016-10-11T10:55:27Judge HaleManual testing272273--11.78--
2016-11-06T16:53:31ANONYMOUSManual testing273274--23.57--
2016-11-06T16:53:31ANONYMOUSManual testing274275--47.13--


ECM factoring results:
No ECM results for M81180607


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2018-11-17T22:19:06Philip Rogershpc41E9B70AB51AFA0D253.3
2018-11-19T06:31:28MooMoo2Core_i7_7700K41E9B70AB51AFA0D253.3


PRP results:
No PRP results for M81180607


P-1 factor-bounds graph:
B1 = 645000, B2 = 9191250 (P-1 stage 2)
B1 = 645000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2018-11-19T06:31:28+00:00