is 271355101-1
has 21,480,026 decimal digits
takes 190.776 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
Actual27453.617363.5135%645,00012,255,0004.95273.9824%58.570067.4959%6.0674%
PrimeNet2703.348861.4286%300,00014,000,0004.05675.4794%7.405466.9080%5.4794%
GPU7227453.617363.5135%500,00016,000,0005.21224.0659%58.829567.5794%4.0659%
Difference---+145,000-3,745,000-0.2595-0.0835%-0.2595-0.0835%-0.0835%

Known prime factors (1 factor, 121.1 bits, 0.00016966% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
71355101277925721418753269992584717894203064937121.06419474832038900293196458702924
22 × 3 × 7 × 11 × 1559 × 1931 × 2003 × 4999 × 61051 × 11452927
61,05111,452,9272015-03-011.979e+92.64284.5181

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2015-03-01T16:43:00TheJudgerManual testing645,00012,255,00037121.0644.953381.69.913.982%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-10-07T09:50:00Wojciech FlorekManual testing?264--0.028--
2010-03-24T13:47:00Pi_RhoManual testing264265--0.052--
2010-04-23T15:52:00ANONYMOUS265266--0.105--
2010-08-24T19:39:00UCLA Mathematicspicprime266267--0.209--
2010-08-28T03:01:00UCLA Mathematicspicprime267268--0.419--
2010-08-31T05:16:00eon_blue_apocalypse4core_7years268269--0.838--
2012-11-12T02:13:00Robert_SoCalManual testing269270--1.676--
2013-11-27T02:00:00SMoffatManual testing270271--3.351--
2014-12-03T14:56:00VictordeHollanderManual testing271272--6.702--
2015-01-03T16:09:00BdotManual testing272273--13.40--
2015-02-15T15:20:00XyzzyManual testing273274--26.81--


ECM factoring results:
Exponent "71355101" not found


Lucas-Lehmer results:
Exponent "71355101" not found


PRP results:
Exponent "71355101" not found


P-1 factor-bounds graph:
B1 = 645,000, B2 = 12,255,000 (stage 2)
B1 = 645,000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2015-03-01T16:43:00+00:00