is 268683793-1
has 20,675,882 decimal digits
takes 183.634 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
Actual27455.702663.5135%625,00012,812,5004.99713.9848%60.699767.4984%6.0698%
PrimeNet2703.479061.4286%300,00013,000,0003.84555.3827%7.324566.8112%5.3827%
GPU7227455.702663.5135%450,00015,000,0004.81773.9406%60.520367.4541%3.9406%
Difference---+175,000-2,187,500+0.1794+0.0443%+0.1794+0.0443%+0.0443%

Known prime factors (1 factor, 119.2 bits, 0.00017355% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
6868379376473634831618315088006030135359068736119.2025567080055670361353515088351
3 × 111863 × 230729 × 267601 × 282559 × 950869
282,559950,8692014-08-232.219e+91.23662.2293

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2014-08-23T02:29:00James Heinrich3930K625,00012,812,5001236119.2024.997367.39.993.985%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2004-03-08T00:00:00mdrgv4_computers?260--0.001--
2004-07-13T00:00:00mdrgv4_computers?261--0.002--
2009-02-16T01:10:001997rj7Manual testing?264--0.029--
2010-03-20T00:20:00trifdrake264265--0.054--
2010-04-12T14:36:00Sagredo265266--0.109--
2010-04-17T12:10:00Sagredo266267--0.218--
2010-04-18T14:23:00SpiritOfTheForest.orggea267268--0.435--
2010-04-22T14:44:00ANONYMOUS268269--0.870--
2012-08-05T20:02:00NBBlackBird269270--1.741--
2012-09-26T15:42:00ITSCP_-_ArcherOffice270271--3.482--
2014-08-16T02:32:00ktonyManual testing271272--6.963--
2014-08-16T02:32:00ktonyManual testing272273--13.93--
2014-08-16T02:32:00ktonyManual testing273274--27.85--


ECM factoring results:
Exponent "68683793" not found


Lucas-Lehmer results:
Exponent "68683793" not found


PRP results:
Exponent "68683793" not found


P-1 factor-bounds graph:
B1 = 625,000, B2 = 12,812,500 (stage 2)
B1 = 625,000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2014-08-23T02:29:48+00:00