is 263209429-1
has 19,027,935 decimal digits
takes 148.484 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
Actual27460.526864.8649%----60.526864.8649%2.0077%
PrimeNet2703.780362.8571%260,00012,000,0003.06435.1549%6.844668.0121%5.1549%
GPU7227460.526864.8649%400,00013,000,0003.70073.7309%64.227668.5958%3.7309%
Difference----400,000-13,000,000-3.7007-3.7309%-3.7007-3.7309%-3.7309%

Known prime factors (1 factor, 123.7 bits, 0.00019574% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
632094291762596675221877551572434776889221644138123.729139425138235458316794194959180
22 × 5 × 31 × 491 × 35969 × 49333 × 55721 × 65353 × 70879
65,35370,8792013-06-022.356e+90.22360.4530

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2013-06-02T22:06:00ANONYMOUS-176,259,667,522,187,744-157,243,477,688,922,17638123.729-297.0-nan%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-11-17T00:00:00ANONYMOUSv4_computers?250--2.37290e-6--
2003-07-30T00:00:00ANONYMOUSv4_computers?259--0.001--
2009-02-10T05:28:00Wojciech Florekarmada1263264--0.031--
2009-02-24T16:59:00Sturle Sundegoober.ifi264265--0.059--
2009-03-10T01:49:00JClaptop265266--0.118--
2009-09-02T03:13:00Dougaldougal266267--0.236--
2009-09-08T21:33:00FCG PrimesPortR500_RFT267268--0.473--
2009-09-10T20:16:00Harri Järvics-pallomeri268269--0.946--
2011-12-21T22:58:00PrimeCruncherApollo8269270--1.892--
2013-03-25T07:37:00krackerManual testing270271--3.783--
2013-05-04T18:50:00XyzzyManual testing271272--7.566--
2013-05-04T18:50:00XyzzyManual testing272273--15.13--
2013-05-04T18:50:00XyzzyManual testing273274--30.26--


ECM factoring results:
Exponent "63209429" not found


Lucas-Lehmer results:
Exponent "63209429" not found


PRP results:
Exponent "63209429" not found


P-1 factor-bounds graph:
TF factor-bounds graph:
274
273
272
271
270
269
268
267
266
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264
259
250
250
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2100
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Last modified: 2013-06-02T22:06:50+00:00