is 278613361-1
has 23,664,980 decimal digits
takes 245.312 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
Actual27597.336064.0000%640,00010,400,0005.30183.5303%102.637867.5303%5.5585%
PrimeNet2716.081461.9718%340,00016,000,0005.39895.2357%11.480367.2075%5.2357%
GPU7227597.336064.0000%500,00017,000,0006.32993.7745%103.665967.7745%3.7745%
Difference---+140,000-6,600,000-1.0281-0.2443%-1.0281-0.2443%-0.2443%

Known prime factors (1 factor, 127.0 bits, 0.00016152% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
7861336116715487081080035405561529094550110311339126.9741063145428999024440995566204996
22 × 139 × 4481 × 7121 × 16381 × 48121 × 90247 × 842353
90,247842,3532016-07-032.145e+90.59370.8310

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-07-03T17:03:03ANONYMOUSq9550640,00010,400,00039126.9745.302490.610.603.530%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2001-07-03T00:00:00Jocelyn Larouchev4_computers?257--0.000--
2008-01-15T00:00:001997rj7v4_computers?263--0.012--
2008-07-14T01:13:00ANONYMOUSManual testing?264--0.025--
2011-03-07T01:58:00oodaira01264265--0.048--
2011-05-19T18:25:00Carsten KossendeyManual testing265267--0.285--
2012-08-01T16:18:00krackerManual testing267268--0.380--
2013-02-11T03:46:00Clown_RoyalManual testing268269--0.760--
2013-02-13T00:30:00GrunwalderGIMPcompute-0-4269270--1.521--
2013-05-26T15:01:00SMoffatManual testing270271--3.042--
2015-08-18T13:52:00RichD0Manual testing271272--6.084--
2016-06-05T06:52:15Matthias WurtingerManual testing272273--12.17--
2016-06-10T03:02:18RichD0Manual testing273274--24.33--
2016-07-24T20:50:47ANONYMOUSManual testing274275--48.67--
2016-06-26T01:37:04Kevin JagetManual testing274275--48.67--


ECM factoring results:
Exponent "78613361" not found


Lucas-Lehmer results:
Exponent "78613361" not found


PRP results:
Exponent "78613361" not found


P-1 factor-bounds graph:
B1 = 640,000, B2 = 10,400,000 (stage 2)
B1 = 640,000 (stage 1)
103
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106
103
104
105
106
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108
TF factor-bounds graph:
275
274
273
272
271
270
269
268
267
265
264
263
257
250
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270
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290
2100
2110
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2130
Last modified: 2016-07-24T20:50:47+00:00