is 272083087-1
has 21,699,172 decimal digits
takes 192.722 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
Actual27453.075863.5135%665,00013,965,0005.38724.1079%58.463067.6214%6.1928%
PrimeNet2703.314961.4286%300,00014,000,0004.05675.4862%7.371666.9147%5.4862%
GPU7227453.075863.5135%500,00017,000,0005.42344.1181%58.499267.6316%4.1181%
Difference---+165,000-3,035,000-0.0362-0.0103%-0.0362-0.0103%-0.0103%

Known prime factors (1 factor, 119.9 bits, 0.00016630% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
72083087121602129574175954224799562388753414337119.8728434858621841206261379979633
32 × 223 × 829 × 40037 × 53377 × 204923 × 11576293
204,92311,576,2932015-04-142.111e+93.19624.5667

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2015-04-14T00:50:00KishHPEnvy665,00013,965,0001237119.8725.387385.410.774.108%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-19T10:43:00Wojciech FlorekManual testing?264--0.027--
2010-07-06T14:00:00Schrikr-sbs01264265--0.052--
2010-07-07T11:53:00Schrikr-sbs01265266--0.104--
2010-07-09T17:12:00Schrikr-sbs01266267--0.207--
2010-07-15T10:24:00symalladold_laptop268269--0.829--
2012-09-28T10:00:00ANONYMOUS269270--1.659--
2013-04-22T23:33:00s5s5a2012Fady270271--3.317--
2014-08-08T13:31:00NickOfTimeManual testing271272--6.635--
2014-08-08T14:32:00NickOfTimeManual testing272273--13.27--
2014-08-08T16:34:00NickOfTimeManual testing273274--26.54--


ECM factoring results:
Exponent "72083087" not found


Lucas-Lehmer results:
Exponent "72083087" not found


PRP results:
Exponent "72083087" not found


P-1 factor-bounds graph:
B1 = 665,000, B2 = 13,965,000 (stage 2)
B1 = 665,000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2015-04-14T00:50:00+00:00