is 268879113-1
has 20,734,680 decimal digits
takes 184.156 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
Actual27455.544663.5135%----55.544663.5135%2.0849%
PrimeNet2703.469161.4286%300,00013,000,0003.84555.3845%7.314666.8131%5.3845%
GPU7227455.544663.5135%450,00015,000,0004.81773.9420%60.362467.4555%3.9420%
Difference----450,000-15,000,000-4.8177-3.9420%-4.8177-3.9420%-3.9420%

Known prime factors (1 factor, 131.6 bits, 0.00019113% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
68879113427141487577143282408311629409716808224740131.65031006604830781087614202554365771
3 × 101 × 2549 × 4721 × 16427 × 243157 × 252017 × 8447591
252,0178,447,5912014-04-301.898e+92.70803.3325

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2014-04-30T18:56:00FilenSirrah4-427,141,487,577,143,296-408,311,629,409,716,80040131.650-368.3-nan%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-05-20T00:00:00Jocelyn Larouchev4_computers?256--0.000--
2004-04-09T00:00:00mdrgv4_computers?261--0.002--
2009-01-06T01:42:001997rj7Manual testing?264--0.029--
2010-04-10T21:36:00Penguin66coldcomputing264265--0.054--
2010-04-15T10:05:00hreidacer18265266--0.108--
2010-04-19T07:08:00birkovv266267--0.217--
2010-04-24T10:06:00searchingforprimesHarwich6b267268--0.434--
2010-05-22T07:07:00ANONYMOUSA268269--0.868--
2012-03-12T17:25:00Allan MananganKuro269270--1.736--
2012-07-29T07:19:00Nathan EdingtonManual testing270271--3.472--
2014-04-17T19:52:00ChuckManual testing271272--6.943--
2014-04-17T20:54:00ChuckManual testing272273--13.89--
2014-04-22T12:17:00RichD0Manual testing273274--27.77--


ECM factoring results:
Exponent "68879113" not found


Lucas-Lehmer results:
Exponent "68879113" not found


PRP results:
Exponent "68879113" not found


P-1 factor-bounds graph:
TF factor-bounds graph:
274
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Last modified: 2014-04-30T18:56:20+00:00