is 262720027-1
has 18,880,610 decimal digits
takes 147.334 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
Actual27460.999164.8649%----60.999164.8649%2.0077%
PrimeNet2703.809862.8571%260,00012,000,0003.06435.1500%6.874168.0071%5.1500%
GPU7227460.999164.8649%400,00013,000,0003.70073.7273%64.699868.5921%3.7273%
Difference----400,000-13,000,000-3.7007-3.7273%-3.7007-3.7273%-3.7273%

Known prime factors (1 factor, 146.5 bits, 0.00023351% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
6272002712266767818185804595159126281533162575185040745146.460977898799229295978711801756840216489
3 × 13 × 31 × 83 × 107 × 3217 × 5099 × 43577 × 63377 × 167641 × 11992243
167,64111,992,2432013-08-042.222e+92.76544.1566

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2013-08-04T15:28:00TheJudgerManual testing-122,667,678,181,858,048-951,591,262,815,331,58445146.460-294.7-nan%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2003-07-13T00:00:00ANONYMOUSv4_computers?259--0.001--
2009-01-26T19:40:00Wojciech Florekarmada4263264--0.031--
2009-02-20T08:57:00ANONYMOUSjohn10264265--0.060--
2009-02-24T21:07:00tri.Koukkukoti265266--0.119--
2009-03-04T15:15:00tri.Koukkukoti266267--0.238--
2009-03-11T18:45:00tri.Koukkukoti267268--0.477--
2009-08-25T14:09:00RMAC9.5AMD-X2-6400268269--0.953--
2011-12-21T15:39:00ANONYMOUS269270--1.906--
2012-09-09T22:15:00Cow_tippingManual testing270271--3.813--
2013-03-26T18:14:00TheJudgerManual testing271272--7.625--
2013-03-26T18:14:00TheJudgerManual testing272273--15.25--
2013-08-03T10:30:00ChuckManual testing273274--30.50--


ECM factoring results:
Exponent "62720027" not found


Lucas-Lehmer results:
Exponent "62720027" not found


PRP results:
Exponent "62720027" not found


P-1 factor-bounds graph:
TF factor-bounds graph:
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Last modified: 2013-08-04T15:28:59+00:00