is 261627081-1
has 18,551,600 decimal digits
takes 144.767 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
Actual27331.039064.3836%----31.039064.3836%1.5264%
PrimeNet2703.877462.8571%260,00012,000,0003.06435.1387%6.941667.9958%5.1387%
GPU7227462.080964.8649%400,00013,000,0003.70073.7189%65.781668.5838%3.7189%
Difference-1-31.0419-0.4813%-400,000-13,000,000-3.7007-3.7189%-34.7426-4.2002%-4.2002%

Known prime factors (1 factor, 126.2 bits, 0.00020470% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
616270819445444233385165479471893998589620214338126.151766338765370468015471306680791
72 × 312 × 233 × 9157 × 222197 × 484067 × 70916701
484,06770,916,7012013-05-052.356e+914.71924.580

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2013-05-05T15:41:00TheJudgerManual testing-944,544,423,338,516,608-947,189,399,858,962,04838126.151-289.5-nan%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2003-06-17T00:00:00ANONYMOUSv4_computers?259--0.001--
2003-11-16T00:00:00ANONYMOUSv4_computers?260--0.001--
2004-04-09T00:00:00ANONYMOUSv4_computers?262--0.005--
2009-02-04T13:10:00David BessellELCAR263264--0.032--
2009-02-08T14:21:00MichaelEOcto264265--0.061--
2009-02-09T08:24:00Jason Lynchluna265266--0.121--
2009-02-10T08:14:00Jason Lynchluna266267--0.243--
2009-07-18T13:14:00Johannes WeingartnerWaynemachine_V_14267268--0.485--
2009-07-30T20:26:00lindedLKRWH5A268269--0.970--
2011-11-15T11:20:00ANONYMOUS269270--1.940--
2013-01-31T21:42:00AxelssonManual testing270271--3.880--
2013-01-31T21:42:00AxelssonManual testing271272--7.760--
2013-01-31T21:42:00AxelssonManual testing272273--15.52--


ECM factoring results:
Exponent "61627081" not found


Lucas-Lehmer results:
Exponent "61627081" not found


PRP results:
Exponent "61627081" not found


P-1 factor-bounds graph:
TF factor-bounds graph:
273
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271
270
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250
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2100
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Last modified: 2013-05-05T15:41:43+00:00