is 2 67065541 - 1
has 20188740 decimal digits
takes 169.527 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
Actual2717.128563.3803%725000161312505.73395.6044%12.862465.4326%2.0523%
PrimeNet2703.562962.8571%280000130000003.56645.3195%7.129364.8330%1.9758%
GPU7227457.046764.8649%450000150000004.55493.9289%61.601666.2453%1.3804%
Difference-3-49.9181-1.4846%+275000+1131250+1.1789+1.6755%-48.7392-0.8127%-0.8127%

Known prime factors (1 factor, 76.0 bits, 0.00011334% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
67065541763491583435900589652172376.015569213020615088
24 × 23 × 120619 × 12823639
2013-08-2412061912823639323.422.97884.7829

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2013-08-24T12:13:00Jwb52zClay725000161312502376.0155.734339.111.475.604%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-12-11T07:40:00Wojciech FlorekManual testing263264--0.029--
2010-03-03T03:18:00amanattoneko264265--0.056--
2010-03-09T11:46:00Lt.Cmdr.Datas3-pc1265266--0.111--
2010-03-15T13:35:00Lt.Cmdr.Datas3-pc1266267--0.223--
2010-03-16T03:17:00Team_Inspectorspudboy2267268--0.446--
2010-03-26T06:47:00Geoff WingC268269--0.891--
2012-03-05T09:59:00MarzbugCorei7269270--1.783--
2012-09-21T19:04:00Per Jessenbeaufort1270271--3.566--


ECM factoring results:
No ECM results for M67065541


Lucas-Lehmer results:
No L-L results for M67065541


PRP results:
No PRP results for M67065541


P-1 factor-bounds graph:
B1 = 725000, B2 = 16131250 (P-1 stage 2)
B1 = 725000 (P-1 stage 1)
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108
TF factor-bounds graph:
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2100
Last modified: 2013-08-24T12:13:34+00:00