is 271716483-1
has 21,588,813 decimal digits
takes 191.742 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
Actual275106.696764.0000%615,00011,992,5004.78733.5781%111.483967.5781%6.1495%
PrimeNet2703.331961.4286%300,00014,000,0004.05675.4828%7.388566.9113%5.4828%
GPU7227453.347163.5135%500,00017,000,0005.42344.1155%58.770567.6290%4.1155%
Difference+1+53.3496+0.4865%+115,000-5,007,500-0.6361-0.5374%+52.7134-0.0509%-0.0509%

Known prime factors (1 factor, 136.9 bits, 0.00019084% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
7171648315818433762093199320640549753099646668572742136.8611102845057397279180620203430297861
3 × 71 × 523 × 82997 × 133417 × 357653 × 434849 × 5748563
434,8495,748,5632015-05-062.096e+92.80813.4309

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2015-05-06T03:46:00garochanakya615,00011,992,500642136.8614.787383.59.573.578%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2002-04-28T00:00:00Jocelyn Larouchev4_computers?257--0.000--
2008-09-29T09:18:00ANONYMOUSManual testing?264--0.027--
2010-04-26T06:30:00GrunwalderGIMPcompute-0-2264265--0.052--
2010-07-01T10:01:00ITSLJC-RadioStation265266--0.104--
2011-01-26T09:51:00David Barleyscrappy266267--0.208--
2011-02-01T00:44:00ANONYMOUSC215141267268--0.417--
2011-02-05T20:00:00eon_blue_apocalypsecon-cloud0-cc0268269--0.834--
2012-11-19T06:45:00ITSMartinThree269270--1.667--
2013-02-15T00:59:00Never Odd Or EvenManual testing270271--3.334--
2013-02-15T00:59:00Never Odd Or EvenManual testing271272--6.669--
2015-03-09T15:27:00BdotManual testing272273--13.34--
2015-04-27T18:50:00NickOfTimeManual testing273274--26.67--
2015-04-27T18:50:00NickOfTimeManual testing274275--53.35--


ECM factoring results:
Exponent "71716483" not found


Lucas-Lehmer results:
Exponent "71716483" not found


PRP results:
Exponent "71716483" not found


P-1 factor-bounds graph:
B1 = 615,000, B2 = 11,992,500 (stage 2)
B1 = 615,000 (stage 1)
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108
TF factor-bounds graph:
275
274
273
272
271
270
269
268
267
266
265
264
257
250
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270
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290
2100
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Last modified: 2015-05-06T03:46:00+00:00