is 2 78146099 - 1
has 23524320 decimal digits
takes 243.854 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
Actual27597.918064.0000 %680000137700006.30373.7662 %104.221765.3558 %
Target27597.918064.0000 %5000008500000023.09323.7717 %121.011165.3578 %
Difference---+180000-71230000-16.7894-0.0055 %-16.7894-0.0020 %

Known prime factors (1 factor, 82.1 bits, 0.00010508% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
7814609952408291516315771463457772582.11633532250609410312
23 × 37 × 4021 × 26729 × 1054033
2016-05-0126729105403322,1160.37420.4853

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2016-05-01TheJudgerManual testing680000137700001222582.1167.3173.766%


Trial Factoring results:
57585960616263646566676869707172737475
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2004-03-16AxelFoxv4_computers212620.004
2016-04-04Mark RoseManual testing262264
2010-10-20ANONYMOUS2642650.048
2011-02-21ANONYMOUSainaericacandy2652660.096
2011-02-25ITSSP-Koko2662670.191
2011-03-01ITSSP-Koko2672680.383
2011-03-07YxinityYxine2682690.765
2011-03-12symalladSchool_Laptop2692701.530
2013-01-08SWL551Manual testing2702713.060
2014-03-13snme2pm1Manual testing2712726.120
2016-04-21RichD0Manual testing27227585.68


ECM factoring results:
No ECM results for M78146099


Lucas-Lehmer results:
No L-L results for M78146099


PRP results:
No PRP results for M78146099


CERT results:
No CERT results for M78146099


P-1 factor-bounds graph:
B1 = 680000, B2 = 13770000 (P-1 stage 2)
B1 = 680000 (P-1 stage 1)
103
104
105
106
103
104
105
106
107
108
TF factor-bounds graph:
275
272
271
270
269
268
267
266
265
264
262
this exponent TF target: 75
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00