is 2 86799793 - 1
has 26129342 decimal digits
takes 279.568 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
1 primality tests remaining
ResidueStatus
L-L6054706C20CE88__
needs double-check
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276176.313764.4737%700000138250006.60873.4768%182.922565.7089%1.2352%
PrimeNet2715.507861.9718%360000170000005.91535.3948%11.423164.0234%2.0515%
GPU7227588.155864.0000%550000190000007.26313.9543%95.419065.4236%1.4236%
Difference+1+88.1579+0.4737%+150000-5175000-0.6544-0.4775%+87.5035+0.2853%+0.2853%

Known prime factors:
No known factors for M86799793

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2018-04-12T20:13:34mgpainter4ghz_quad_core70000013825000---6.609--3.477%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-11-23T04:20:00Architects Cubedm1_52264265--0.043--
2013-01-31T13:14:00LaurVManual testing265266--0.086--
2013-09-07T01:18:00processinfoManual testing266267--0.172--
2013-09-07T13:36:00processinfoManual testing266267--0.172--
2013-09-08T14:41:00processinfoManual testing267268--0.344--
2014-01-27T16:51:00driveByUpgradesBuild_4268269--0.689--
2014-03-30T05:23:00Yury VorobyovManual testing269270--1.377--
2014-08-31T21:24:00PascalBieriManual testing270271--2.755--
2017-04-29T09:55:06Judge HaleManual testing271272--5.510--
2017-04-29T09:55:06Judge HaleManual testing272273--11.02--
2017-06-01T18:26:59RichD0Manual testing273274--22.04--
2018-03-02T01:29:22RichD0Manual testing274275--44.08--
2018-03-11T15:37:45TheJudgerManual testing275276--88.16--


ECM factoring results:
No ECM results for M86799793


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2019-01-26T15:43:46Michael QuevillonCRC6054706C20CE88__279.6


PRP results:
No PRP results for M86799793


P-1 factor-bounds graph:
B1 = 700000, B2 = 13825000 (P-1 stage 2)
B1 = 700000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2019-01-26T15:43:46+00:00