is 2 67119163 - 1
has 20204882 decimal digits
takes 169.662 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
1 primality tests remaining
ResidueStatus
L-L8B8C82F61DB153__
needs double-check
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual275114.004864.0000%715000144787505.36923.7571%119.374065.3526%1.3526%
PrimeNet2703.560161.4286%280000130000003.56645.3201%7.126563.4806%2.0520%
GPU7227457.001163.5135%450000150000004.55493.9293%61.556064.9472%1.4336%
Difference+1+57.0037+0.4865%+265000-521250+0.8143-0.1721%+57.8180+0.4054%+0.4054%

Known prime factors:
No known factors for M67119163

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2013-10-04T06:40:00Ilya AlexandrovVTest_PC71500014478750---5.369--3.757%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-12-11T07:42:00Wojciech FlorekManual testing263264--0.029--
2010-01-03T15:28:00Frank BalzerBerlinOrgano264265--0.056--
2010-03-06T14:59:00Sturle Sundeantonov.ifi265266--0.111--
2010-03-13T19:56:00kevshawtc4400266267--0.223--
2010-05-23T02:08:00chargerFH526.3000.01267268--0.445--
2010-06-15T23:32:00ekrummegorbachev268269--0.891--
2012-03-13T04:15:00Matt EsserManual testing269270--1.781--
2013-06-27T23:42:00SMoffatManual testing270271--3.563--
2013-12-27T05:08:00Architects CubedManual testing271272--7.125--
2013-12-27T05:39:00Architects CubedManual testing272273--14.25--
2013-12-29T22:39:00Jerry HallettManual testing273274--28.50--
2020-07-19T20:23:59TheJudgerManual testing274275--57.00--


ECM factoring results:
No ECM results for M67119163


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2014-03-06T09:17:00curtiscwcm424--31l8B8C82F61DB153__169.7


PRP results:
No PRP results for M67119163


P-1 factor-bounds graph:
B1 = 715000, B2 = 14478750 (P-1 stage 2)
B1 = 715000 (P-1 stage 1)
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108
TF factor-bounds graph:
275
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2100
Last modified: 2020-07-19T20:23:59+00:00