is 214398543-1
has 4,334,394 decimal digits
takes 6.895 GHz-days to do one L-L test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-LDB20491E21CCB27Bdouble-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2630.110861.9048%300,0006,000,0000.42407.6033%0.534869.5081%6.4312%
PrimeNet2650.506763.0769%60,0001,900,0000.11134.0184%0.618067.0953%4.0184%
GPU722698.291665.2174%100,0002,400,0000.15652.9226%8.448068.1399%2.9226%
Difference-6-8.1807-3.3126%+200,000+3,600,000+0.2675+4.6808%-7.9132+1.3681%+1.3681%

Known prime factors (1 factor, 121.4 bits, 0.00084337% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
14398543359023857423870936428260843927811161737121.433124673676157327493631911521856
26 × 67 × 293 × 2087 × 8011 × 79811 × 215183 × 345599
215,183345,5992017-03-191.007e+100.15440.3041

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2002-01-08T00:00:00curtiscv4_computers205,000205,000---0.142--3.018%
2017-03-19T23:26:20ThaManual testing300,0006,000,000637121.4330.42413.790.8487.603%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-08-17T00:00:00Net_Forcev4_computers?256--0.001--
2000-09-15T00:00:00Net_Forcev4_computers?257--0.001--
2000-09-23T00:00:00Net_Forcev4_computers?258--0.003--
2001-01-08T00:00:00ANONYMOUSv4_computers?265--0.259--
2014-08-14T10:24:00NesowaManual testing265266--0.519--
2015-10-01T21:57:39NesowaManual testing266267--1.038--


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
50,0005,000,00010.728


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2002-03-31T00:00:00curtiscv4_computersDB20491E21CCB27B6.895
2005-07-17T00:00:00ANONYMOUSv4_computersDB20491E21CCB27B6.895


PRP results:
dateuseridcompidcofactorsres64PRP
2020-06-06T17:48:52CrypticCluecruncher
3590238574238709364282608439278111617
34479C87D27B8F2Ano
2020-09-29T22:59:40JaytholomewJaytholomew
3590238574238709364282608439278111617
34479C87D27B8F2Ano


P-1 factor-bounds graph:
B1 = 300,000, B2 = 6,000,000 (stage 2)
B1 = 300,000 (stage 1)
B1 = 205,000 (stage 1)
104
105
106
104
105
106
107
TF factor-bounds graph:
267
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258
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Last modified: 2020-09-29T22:59:40+00:00