is 2 67029509 - 1
has 20177893 decimal digits
takes 169.436 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
Actual2717.132463.3803%725000161312505.73395.6040%12.866265.4325%2.0522%
PrimeNet2703.564962.8571%280000130000003.56645.3192%7.131264.8328%1.9757%
GPU7227457.077364.8649%450000150000004.55493.9286%61.632366.2452%1.3803%
Difference-3-49.9450-1.4846%+275000+1131250+1.1789+1.6754%-48.7660-0.8127%-0.8127%

Known prime factors (1 factor, 82.1 bits, 0.00012255% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6702950953479739696911189041587772582.14539892683457453932
22 × 33 × 7 × 641 × 92767 × 887401
2013-08-139276788740127,3650.49870.6920

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2013-08-13T06:15:00Jwb52zClay725000161312502582.1455.734338.911.475.604%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2002-10-26T00:00:00Jocelyn Larouchev4_computers21260--0.002--
2022-03-30T15:48:22LordJuliusManual testing260263--0.022--
2008-12-10T23:04:00Wojciech FlorekManual testing263264--0.029--
2009-05-02T22:34:00RMAC9.5AMD-X2-6400264265--0.056--
2009-12-27T20:21:00Sturle Sundedoak.ifi265266--0.111--
2010-03-10T03:02:00ANONYMOUS266267--0.223--
2010-03-12T11:35:00ANONYMOUS267268--0.446--
2010-03-18T08:21:00ANONYMOUS268269--0.892--
2012-02-17T10:21:00Per Jessenlouiswu6269270--1.784--
2012-10-10T00:13:00Clown_RoyalManual testing270271--3.567--


ECM factoring results:
No ECM results for M67029509


Lucas-Lehmer results:
No L-L results for M67029509


PRP results:
No PRP results for M67029509


P-1 factor-bounds graph:
B1 = 725000, B2 = 16131250 (P-1 stage 2)
B1 = 725000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2022-03-30T15:48:22+00:00