is 242759611-1
has 12,871,926 decimal digits
takes 63.026 GHz-days to do one L-L test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-L5FD4BC804C13D55Adouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2630.037358.7302%570,00011,400,0002.479310.0040%2.516668.7342%6.9695%
PrimeNet2681.394061.7647%190,0008,000,0001.31555.3385%2.709467.1032%5.3385%
GPU7227222.365363.8889%300,0009,000,0001.65423.8775%24.019667.7663%3.8775%
Difference-9-22.3280-5.1587%+270,000+2,400,000+0.8251+6.1266%-21.5029+0.9678%+0.9678%

Known prime factors (1 factor, 140.3 bits, 0.00032810% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
42759611171070747499381984376539398244990503092777743140.29620003777337845985593337062660017008
24 × 33 × 31 × 353 × 479 × 1291 × 6277 × 280979 × 385379 × 10067371
385,37910,067,3712018-12-203.408e+91.95102.1895

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2009-08-25T00:56:00ANONYMOUS715,000715,000---1.528--5.427%
2018-12-20T23:35:34Architects Cubedpfs570,00011,400,0001243140.2962.479126.14.95910.004%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2007-07-04T00:00:00precius1v4_computers?268--0.699--
2014-03-05T04:47:00LaurVManual testing268269--1.398--
2014-11-14T11:33:00Grant McCrackenManual testing269270--2.796--
2015-04-11T12:30:00Mark RoseManual testing270271--5.592--
2015-09-03T10:48:00ANONYMOUSManual testing271272--11.18--
2018-11-02T03:08:27Robin89Manual testing272273--22.37--


ECM factoring results:
Exponent "42759611" not found


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2009-11-13T20:00:00ANONYMOUS5FD4BC804C13D55A63.03
2016-04-04T05:51:55aktaxxx15FD4BC804C13D55A63.03


PRP results:
Exponent "42759611" not found


P-1 factor-bounds graph:
B1 = 570,000, B2 = 11,400,000 (stage 2)
B1 = 715,000 (stage 1)
B1 = 570,000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2018-12-20T23:35:34+00:00