is 2 70879969 - 1
has 21336997 decimal digits
takes 189.505 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27453.976763.5135 %----53.976763.5135 %
Target27453.976763.5135 %4500008000000018.54674.0051 %72.523464.9748 %
Difference----450000-80000000-18.5467-4.0051 %-18.5467-1.4613 %

Known prime factors (1 factor, 76.9 bits, 0.00010847% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
708799691395715133644168876218312476.885984562460548035
3 × 5 × 997 × 60689 × 1084793
2014-06-22606891084793297.930.45160.4788

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2014-06-22NesowaDell_Test2476.8855.1230.000%


Trial Factoring results:
575859606162636465666768697071727374
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2007-09-28Amperiov4_computers212630.014
2008-11-20Wojciech FlorekManual testing212640.027
2010-03-10Pi_RhoManual testing2642650.053
2010-03-13Sturle Sundeenstrom.ifi2652660.105
2011-01-18riccardo ubertiNeoHpCrunch2662670.211
2011-01-21Charles A. Morrischandra2672680.422
2011-01-24ITSLJC-RadioStation2682690.843
2013-01-18kdgehmanManual testing2692701.687
2014-04-17RichD0Manual testing2702713.374
2014-06-14kdgehmanManual testing27127447.23


ECM factoring results:
No ECM results for M70879969


Lucas-Lehmer results:
No L-L results for M70879969


PRP results:
No PRP results for M70879969


CERT results:
No CERT results for M70879969


P-1 factor-bounds graph:
103
104
105
103
104
105
106
107
TF factor-bounds graph:
274
271
270
269
268
267
266
265
264
263
this exponent TF target: 74
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00