is 2 82336181 - 1
has 24785661 decimal digits
takes 256.929 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
1 primality tests remaining
ResidueStatus
L-LD7C3F4F1A5360D__
needs double-check
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27592.934964.0000%700000143500006.53233.8355%99.467265.3808%1.3808%
PrimeNet2715.806461.9718%340000160000005.39895.2652%11.205363.9741%2.0023%
GPU7227592.934964.0000%550000180000006.79033.8885%99.725365.3999%1.3999%
Difference---+150000-3650000-0.2581-0.0530%-0.2581-0.0191%-0.0191%

Known prime factors:
No known factors for M82336181

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2017-07-19T04:21:50Oliver KruseHalfPM1-17000001435000012---6.532--3.835%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-12-17T09:30:00Architects Cubedm1_80264265--0.045--
2011-03-13T19:32:00Åke TilanderPC51-115-14265266--0.091--
2011-03-15T03:18:00WorknPlayWnP_Dual-P4Xeon-1800266267--0.182--
2011-05-05T17:40:00Pi_RhoManual testing267268--0.363--
2013-01-30T10:09:00phoenicisManual testing268269--0.726--
2013-06-18T18:35:00Cow_tippingManual testing269270--1.452--
2013-07-15T06:04:00PascalBieriManual testing270271--2.904--
2016-11-04T02:55:09Judge HaleManual testing271272--5.809--
2016-11-04T03:55:08Judge HaleManual testing272273--11.62--
2016-12-17T09:45:09Sid & AndyManual testing273274--23.23--
2016-12-17T09:45:09Sid & AndyManual testing274275--46.47--


ECM factoring results:
No ECM results for M82336181


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2018-11-22T07:51:01DirkWerkbeestThuisD7C3F4F1A5360D__256.9


PRP results:
No PRP results for M82336181


P-1 factor-bounds graph:
B1 = 700000, B2 = 14350000 (P-1 stage 2)
B1 = 700000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2018-11-22T07:51:01+00:00