is 279357151-1
has 23,888,883 decimal digits
takes 247.633 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
Actual27448.210763.5135%745,00016,017,5007.13594.3252%55.346667.8387%5.8669%
PrimeNet2716.024461.9718%340,00016,000,0005.39895.2417%11.423367.2135%5.2417%
GPU7227596.423764.0000%500,00017,000,0006.32993.7790%102.753667.7790%3.7790%
Difference-1-48.2130-0.4865%+245,000-982,500+0.8060+0.5463%-47.4070+0.0598%+0.0598%

Known prime factors (1 factor, 124.0 bits, 0.00015620% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
793571512063652015069512581615129174480299844738123.957130023065915604290129765947273
31 × 109 × 131 × 727 × 797 × 1993 × 4297 × 11497 × 5148859
11,4975,148,8592015-10-041.767e+91.31852.3707

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2015-10-04T15:38:43TheJudgerManual testing745,00016,017,5001238123.9577.136495.314.274.325%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2009-05-30T11:46:00For Researchm1_35263264--0.025--
2009-07-10T11:05:00Patrik Johanssonalpha264265--0.047--
2011-04-27T02:50:00Carsten KossendeyManual testing265267--0.282--
2012-10-08T01:15:00AxelssonManual testing267268--0.377--
2013-01-26T22:12:00SWL551Manual testing268269--0.753--
2013-01-26T22:12:00SWL551Manual testing269270--1.507--
2013-01-26T22:12:00SWL551Manual testing270271--3.013--
2013-01-27T04:45:00SWL551Manual testing271272--6.027--
2013-01-27T04:45:00SWL551Manual testing272273--12.05--
2015-09-13T19:45:00ChuckManual testing273274--24.11--


ECM factoring results:
Exponent "79357151" not found


Lucas-Lehmer results:
Exponent "79357151" not found


PRP results:
Exponent "79357151" not found


P-1 factor-bounds graph:
B1 = 745,000, B2 = 16,017,500 (stage 2)
B1 = 745,000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2015-10-04T15:38:43+00:00