is 2 85654669 - 1
has 25784625 decimal digits
takes 275.879 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
1 primality tests remaining
ResidueStatus
L-L80CF7C298C0A51__
needs double-check
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276178.670964.4737%715000137637506.65943.4771%185.330365.7090%1.2353%
PrimeNet2715.581561.9718%360000170000005.91535.3861%11.496764.0201%2.0482%
GPU7227589.334464.0000%550000190000007.26313.9479%96.597565.4212%1.4212%
Difference+1+89.3365+0.4737%+165000-5236250-0.6037-0.4708%+88.7327+0.2877%+0.2877%

Known prime factors:
No known factors for M85654669

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2018-01-30T09:17:05Stoyan FurnadzhievCTORH-OFFICE715000137637506---6.659--3.477%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-11-27T19:20:00Architects Cubedm1_65264265--0.044--
2012-08-23T15:48:00america64Manual testing265266--0.087--
2013-06-17T12:48:00Lukin DmitryManual testing266267--0.174--
2013-08-23T02:02:00ANONYMOUS267268--0.349--
2013-09-04T00:53:00ANONYMOUS268269--0.698--
2013-11-10T23:49:00SMoffatManual testing269270--1.396--
2013-12-16T00:06:00SRS TechnologyManual testing270271--2.792--
2013-12-16T00:06:00SRS TechnologyManual testing271272--5.584--
2017-03-09T09:26:51Strolling JellyfishManual testing272273--11.17--
2017-04-30T14:55:34ANONYMOUSManual testing273274--22.33--
2017-10-01T15:11:28TheJudgerManual testing274275--44.67--
2017-10-01T15:11:28TheJudgerManual testing275276--89.34--


ECM factoring results:
No ECM results for M85654669


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2018-12-03T11:22:55CJCorleyRegents2x3.2G701080CF7C298C0A51__275.9


PRP results:
No PRP results for M85654669


P-1 factor-bounds graph:
B1 = 715000, B2 = 13763750 (P-1 stage 2)
B1 = 715000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2018-12-03T11:22:55+00:00