is 2 67058449 - 1
has 20186605 decimal digits
takes 169.509 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
Actual2717.129363.3803%7250007250002.65732.4824%9.786664.2893%0.9090%
PrimeNet2703.563362.8571%280000130000003.56645.3195%7.129764.8329%1.9758%
GPU7227457.052764.8649%450000150000004.55493.9288%61.607666.2453%1.3804%
Difference-3-49.9234-1.4846%+275000-14275000-1.8976-1.4465%-51.8210-1.9559%-1.9559%

Known prime factors (1 factor, 83.3 bits, 0.00012424% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
67058449120030538512651773489246092683.31289496954002508896
25 × 71 × 349 × 259841 × 434377
2013-08-2125984143437732,6010.98721.9383

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2013-08-21T09:18:00Jwb52zClay7250007250002683.3122.657339.05.3152.482%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-12-11T07:40:00Wojciech FlorekManual testing21264--0.053--
2022-03-30T15:48:23LordJuliusManual testing264265--0.056--
2010-03-05T23:56:00Sturle Sundeagrell.ifi265266--0.111--
2010-03-07T09:03:00unconnecteduae-5266267--0.223--
2010-03-07T21:57:00Sturle Sundekinner.ifi267268--0.446--
2010-03-09T12:20:00UCLA Mathematicspicprime268269--0.891--
2012-02-13T17:33:00nineaxecollette269270--1.783--
2012-07-12T00:18:00ITSChrysalisTwo270271--3.566--


ECM factoring results:
No ECM results for M67058449


Lucas-Lehmer results:
No L-L results for M67058449


PRP results:
No PRP results for M67058449


P-1 factor-bounds graph:
B1 = 725000 (P-1 stage 1)
104
105
106
104
105
106
TF factor-bounds graph:
271
270
269
268
267
266
265
264
250
260
270
280
290
2100
Last modified: 2022-03-30T15:48:23+00:00