is 2 85739909 - 1
has 25810285 decimal digits
takes 276.154 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276178.493264.4737%690000136275006.51433.4550%185.007665.7011%1.2274%
PrimeNet2715.575961.9718%360000170000005.91535.3868%11.491264.0203%2.0485%
GPU7227589.245664.0000%550000190000007.26313.9483%96.508765.4214%1.4214%
Difference+1+89.2477+0.4737%+140000-5372500-0.7488-0.4934%+88.4988+0.2797%+0.2797%

Known prime factors:
No known factors for M85739909

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2018-04-07T12:03:48jackwingg-0046900001362750012---6.514--3.455%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-11-28T04:30:00Architects Cubedm1_46264265--0.044--
2013-03-04T02:17:00wangyun183Manual testing265266--0.087--
2013-03-05T09:38:00timc995dl580_g5266267--0.174--
2013-03-11T03:33:00vichicoLN-ROMA267268--0.349--
2013-03-14T18:44:00vichicoLN-ROMA268269--0.697--
2013-03-20T23:17:00vichicoLN-ROMA269270--1.394--
2014-01-18T00:34:00GrunwalderGIMPcompute-0-3270271--2.789--
2017-03-08T03:55:19Judge HaleManual testing271272--5.578--
2017-03-08T03:55:19Judge HaleManual testing272273--11.16--
2017-05-05T22:48:31ANONYMOUSManual testing273274--22.31--
2017-10-08T15:59:07TheJudgerManual testing274275--44.62--
2017-10-08T15:59:07TheJudgerManual testing275276--89.25--


ECM factoring results:
No ECM results for M85739909


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2019-03-18T19:41:57OscarXoscar610D3F5810BF888__276.2


PRP results:
No PRP results for M85739909


P-1 factor-bounds graph:
B1 = 690000, B2 = 13627500 (P-1 stage 2)
B1 = 690000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2019-03-18T19:41:57+00:00