is 240860427-1
has 12,300,215 decimal digits
takes 60.227 GHz-days to do one L-L test
Last-known PrimeNet details:
0 L-L tests remaining
ResidueStatus
L-L291AD62861CE0657double-checked
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27493.632564.8649%1,000,00020,000,0004.34974.3126%97.982269.1775%7.4128%
PrimeNet2681.458761.7647%180,0007,000,0001.17885.1405%2.637666.9052%5.1405%
GPU7227223.404963.8889%280,0009,000,0001.61383.8162%25.018767.7051%3.8162%
Difference+2+70.2277+0.9760%+720,000+11,000,000+2.7358+0.4964%+72.9635+1.4724%+1.4724%

Known prime factors (1 factor, 128.6 bits, 0.00031461% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
4086042749885734490757115067600312671755820251939128.5526104406898483600656889894062017
72 × 132 × 17 × 397 × 2351 × 4751 × 10357 × 440497 × 2143417
440,4972,143,4172020-09-213.739e+91.13971.9160

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2010-02-12T17:47:00James670,000670,000---1.432--1.594%
2020-09-21T13:35:38Sid & AndyPterodactyl1,000,00020,000,0001239128.5524.350120.58.6994.313%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2007-02-05T00:00:00Matt Perryv4_computers?268--0.732--
2013-10-19T12:43:00Le ComteManual testing268269--1.463--
2014-12-28T19:27:00XyzzyManual testing269270--2.926--
2014-12-28T19:27:00XyzzyManual testing270271--5.852--
2015-06-07T20:31:00TheJudgerManual testing271272--11.70--
2019-09-30T15:17:01-Anonymous-Manual testing272273--23.41--
2020-01-17T19:46:22-Anonymous-Manual testing273274--46.82--


ECM factoring results:
Exponent "40860427" not found


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2010-07-27T14:40:00lindedD5KMVYD1291AD62861CE065760.23
2016-12-09T02:46:23Rob SartainAppleCake291AD62861CE065760.23


PRP results:
Exponent "40860427" not found


P-1 factor-bounds graph:
B1 = 1,000,000, B2 = 20,000,000 (stage 2)
B1 = 1,000,000 (stage 1)
B1 = 670,000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2020-09-21T13:35:38+00:00