is 2 67065599 - 1
has 20188757 decimal digits
takes 169.527 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
1 primality tests remaining
ResidueStatus
L-LF73D8D214920C5__
needs double-check
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual275114.095965.3333%700000138250005.18673.7122%119.282666.6202%1.2869%
PrimeNet2703.562962.8571%280000130000003.56645.3195%7.129364.8330%1.9758%
GPU7227457.046664.8649%450000150000004.55493.9289%61.601566.2453%1.3804%
Difference+1+57.0493+0.4685%+250000-1175000+0.6318-0.2167%+57.6810+0.3749%+0.3749%

Known prime factors:
No known factors for M67065599

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2013-11-11T19:36:00tscvblade70000013825000---5.187--3.712%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-12-11T07:40:00Wojciech FlorekManual testing263264--0.029--
2010-03-02T22:12:00David Barleyscrappy264265--0.056--
2010-03-07T18:33:00David Barleyscrappy265266--0.111--
2010-03-09T05:35:00Sturle Sundegouache.ifi266267--0.223--
2010-03-10T21:03:00Sturle Sundegouache.ifi267268--0.446--
2010-03-18T21:10:00BranMuffinBristol-O1268269--0.891--
2013-04-30T10:19:00frmarpadev269270--1.783--
2013-06-25T08:20:00Le ComteManual testing270271--3.566--
2014-02-23T22:40:00Jerry HallettManual testing271272--7.131--
2014-02-23T22:40:00Jerry HallettManual testing272273--14.26--
2014-11-23T16:14:00TheJudgerManual testing273274--28.52--
2015-05-31T15:21:00XyzzyManual testing274275--57.05--


ECM factoring results:
No ECM results for M67065599


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2015-07-18T06:42:00Six Blue BoxesreceptionistF73D8D214920C5__169.5


PRP results:
No PRP results for M67065599


P-1 factor-bounds graph:
B1 = 700000, B2 = 13825000 (P-1 stage 2)
B1 = 700000 (P-1 stage 1)
104
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104
105
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108
TF factor-bounds graph:
275
274
273
272
271
270
269
268
267
266
265
264
250
260
270
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2100
Last modified: 2015-07-18T06:42:00+00:00