is 281737527-1
has 24,605,448 decimal digits
takes 255.061 GHz-days to do one L-L test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27593.615664.0000%2,000,00040,000,00018.41715.1983%112.032769.1983%7.2265%
PrimeNet2715.848961.9718%340,00016,000,0005.39895.2605%11.247867.2324%5.2605%
GPU7227593.615664.0000%550,00018,000,0006.79033.8850%100.405967.8850%3.8850%
Difference---+1,450,000+22,000,000+11.6268+1.3133%+11.6268+1.3133%+1.3133%

Known prime factors (1 factor, 121.2 bits, 0.00014827% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
81737527303984517683631448703786234465992827337121.19318595162396070011312171594968
23 × 3 × 223 × 439 × 29077 × 56857 × 375149 × 12760921
375,14912,760,9212016-11-271.987e+94.75085.8755

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-11-27T16:06:38VictordeHollanderManual testing2,000,00040,000,000637121.19318.42510.136.835.198%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-12-12T23:30:00For Researchm1_52264265--0.046--
2011-03-16T15:58:00ASTERIASManual testing265266--0.091--
2011-04-11T15:49:00ASTERIASManual testing266267--0.183--
2013-03-26T13:04:00SMoffatManual testing267268--0.366--
2013-06-12T01:45:00mhskManual testing268269--0.731--
2013-06-13T03:22:00S46055ordi_papa269270--1.463--
2013-12-02T10:15:00StefanGilgesKlapprechner270271--2.926--
2014-01-25T10:40:00ANONYMOUS271272--5.851--
2016-10-02T09:49:41GregManual testing272273--11.70--
2016-11-19T19:59:59Kevin JagetManual testing273274--23.40--
2016-11-19T19:59:59Kevin JagetManual testing274275--46.81--


ECM factoring results:
Exponent "81737527" not found


Lucas-Lehmer results:
Exponent "81737527" not found


PRP results:
Exponent "81737527" not found


P-1 factor-bounds graph:
B1 = 2,000,000, B2 = 40,000,000 (stage 2)
B1 = 2,000,000 (stage 1)
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108
TF factor-bounds graph:
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Last modified: 2016-11-27T16:06:38+00:00