is 218309659-1
has 5,511,757 decimal digits
takes 11.138 GHz-days to do one L-L test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-L77A5723EB8490818double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2630.087260.3175%330,0008,745,0000.69558.4180%0.782768.7355%7.1970%
PrimeNet2650.398561.5385%80,0002,600,0000.19174.6524%0.590166.1909%4.6524%
GPU722696.520463.7681%130,0003,600,0000.28143.4619%6.801967.2300%3.4619%
Difference-6-6.4333-3.4507%+200,000+5,145,000+0.4141+4.9562%-6.0192+1.5055%+1.5055%

Known prime factors (1 factor, 118.0 bits, 0.00064428% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
1830965932433806645435794619530782995710979936117.9658857020943272563027943552361
43 × 353 × 1063 × 51713 × 131839 × 142421 × 565319
142,421565,3192019-03-179.653e+90.14600.2557

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2003-08-31T00:00:00ANONYMOUSv4_computers265,000265,000---0.234--3.456%
2019-03-17T01:35:30harleei5-5250U_1600330,0008,745,0001236117.9650.69522.281.3918.418%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-10-25T00:00:00Net_Forcev4_computers?258--0.002--
2001-11-24T00:00:00Net_Forcev4_computers?259--0.002--
2001-12-22T00:00:00Team Prime Ribv4_computers?266--0.408--
2016-03-23T13:00:08Mark RoseManual testing266267--0.816--
2017-09-15T20:21:06ramgeisManual testing267268--1.633--
2017-09-15T20:21:06ramgeisManual testing268269--3.265--


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
50,0005,000,00010.925


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2004-03-16T00:00:00Sturle Sundev4_computers77A5723EB849081811.14
2004-08-04T00:00:00Sturle Sundev4_computers77A5723EB849081811.14
2007-04-23T00:00:00ANONYMOUSv4_computers77A5723EB849081811.14


PRP results:
dateuseridcompidcofactorsres64PRP
2020-08-17T13:05:39CrypticCluecruncher
324338066454357946195307829957109799
93B8D3ED7986B59Cno
2020-08-21T13:42:16JaytholomewJaytholomew
324338066454357946195307829957109799
93B8D3ED7986B59Cno


P-1 factor-bounds graph:
B1 = 330,000, B2 = 8,745,000 (stage 2)
B1 = 330,000 (stage 1)
B1 = 265,000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2020-08-21T13:42:16+00:00