is 239047209-1
has 11,754,382 decimal digits
takes 51.412 GHz-days to do one L-L test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-LAA1EB1CFD5A6B8B2double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27348.988064.3836%510,00010,072,5001.96833.8071%50.956368.1906%6.4259%
PrimeNet2681.526561.7647%170,0006,500,0000.98305.0005%2.509566.7652%5.0005%
GPU7227224.491763.8889%260,0008,000,0001.30153.6648%25.793267.5537%3.6648%
Difference+1+24.4963+0.4947%+250,000+2,072,500+0.6669+0.1423%+25.1631+0.6370%+0.6370%

Known prime factors (1 factor, 123.6 bits, 0.00031665% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
390472091660655902617352059390528896592162331338123.643212647196194912683694054662984
23 × 33 × 23 × 613 × 2503 × 3449 × 5333 × 19843 × 76433657
19,84376,433,6572019-12-174.727e+97.986214.849

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2007-07-04T00:00:00ANONYMOUSv4_computers620,000620,000---1.184--1.719%
2019-12-17T14:51:29Architects Cubedpfs2510,00010,072,5001238123.6431.968102.83.9373.807%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2003-09-14T00:00:00ANONYMOUSv4_computers?259--0.001--
2003-09-29T00:00:00ANONYMOUSv4_computers?260--0.002--
2006-10-01T00:00:00ITSv4_computers?268--0.766--
2012-10-05T05:37:00Carsten KossendeyManual testing268269--1.531--
2014-11-24T18:48:00NRManual testing269270--3.062--
2014-12-01T14:22:00srow7Manual testing270271--6.124--
2019-05-19T07:55:08monstManual testing271272--12.25--
2019-10-13T10:51:01-Anonymous-Manual testing272273--24.50--


ECM factoring results:
Exponent "39047209" not found


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2007-09-13T00:00:00ANONYMOUSv4_computersAA1EB1CFD5A6B8B251.41
2016-11-17T06:38:32Ilhomzoom-zoomAA1EB1CFD5A6B8B251.41


PRP results:
Exponent "39047209" not found


P-1 factor-bounds graph:
B1 = 510,000, B2 = 10,072,500 (stage 2)
B1 = 620,000 (stage 1)
B1 = 510,000 (stage 1)
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TF factor-bounds graph:
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2100
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Last modified: 2019-12-17T14:51:29+00:00