is 263951389-1
has 19,251,287 decimal digits
takes 150.227 GHz-days to do one L-L test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27459.824664.8649%----59.824664.8649%2.0077%
PrimeNet2703.736462.8571%280,00012,000,0003.12875.2131%6.865168.0703%5.2131%
GPU7227459.824664.8649%400,00014,000,0003.88633.7906%63.710968.6554%3.7906%
Difference----400,000-14,000,000-3.8863-3.7906%-3.8863-3.7906%-3.7906%

Known prime factors (1 factor, 118.3 bits, 0.00018504% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
6395138941928375134763235021993510104297610336118.3353278144211595094128603954959
33 × 53 × 107 × 33911 × 250403 × 569957 × 4423667
569,9574,423,6672013-11-122.981e+92.65653.9510

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2013-11-12T19:24:00owftheevilManual testing-419,283,751,347,632,320-219,935,101,042,976,09636118.335-300.5-nan%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-11-17T00:00:00ANONYMOUSv4_computers?250--2.34537e-6--
2003-08-25T00:00:00ANONYMOUSv4_computers?259--0.001--
2009-02-24T01:11:00Wojciech Florekgafel263264--0.031--
2009-09-17T11:53:00pal1pal1_Atllon5.2GH264265--0.058--
2009-09-27T13:49:00pal1pal1_Atllon5.2GH265266--0.117--
2009-10-03T02:37:00BARBBARITTABARBBARITTA266267--0.234--
2010-06-05T00:08:00GrunwalderGIMPcompute-0-6267268--0.467--
2010-06-09T20:00:00ANONYMOUS268269--0.935--
2012-01-03T22:09:00ANONYMOUS269270--1.870--
2012-09-07T00:51:00hgeraldinohg2box270271--3.739--
2013-08-09T12:23:00RichD0Manual testing271272--7.478--
2013-08-29T02:46:00Kyle AskineManual testing272273--14.96--
2013-11-08T04:33:00The MawnManual testing273274--29.91--


ECM factoring results:
Exponent "63951389" not found


Lucas-Lehmer results:
Exponent "63951389" not found


PRP results:
Exponent "63951389" not found


P-1 factor-bounds graph:
TF factor-bounds graph:
274
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Last modified: 2013-11-12T19:24:20+00:00