is 2 78531413 - 1
has 23640311 decimal digits
takes 245.056 GHz-days to do one PRP 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
Actual27597.437664.0000%6850006850003.09941.5808%100.537065.5808%3.6090%
PrimeNet2716.087761.9718%320000160000005.31335.1939%11.401067.1657%5.1939%
GPU7227597.437664.0000%500000170000006.32993.7740%103.767567.7740%3.7740%
Difference---+185000-16315000-3.2305-2.1932%-3.2305-2.1932%-2.1932%

Known prime factors (1 factor, 75.0 bits, 0.00009555% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
78531413387608792204162006154412375.037246785825822440
23 × 5 × 59 × 83 × 103 × 109 × 293 × 383
2016-06-10293383108.400.00130.0027

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-06-10T13:43:28NesowaAce6850006850002375.0373.099490.16.1991.581%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2002-02-24T00:00:00Jocelyn Larouchev4_computers?257--0.000--
2008-01-15T00:00:001997rj7v4_computers?263--0.013--
2008-06-02T00:00:001997rj7v4_computers?264--0.025--
2010-11-03T21:44:00Gnorfe_k_kontor264265--0.048--
2010-11-04T21:18:00ANONYMOUS265266--0.095--
2010-11-09T19:52:00rextheruntlaptop1266267--0.190--
2010-11-10T09:15:00Gnorfe_k_kontor267268--0.381--
2010-11-11T03:25:00Gnorfe_k_kontor268269--0.761--
2011-01-13T20:33:00GrunwalderGIMPcompute-0-1269270--1.522--
2014-04-07T07:19:00g0bManual testing270271--3.045--
2015-07-23T03:45:00RichD0Manual testing271272--6.090--
2016-05-31T01:39:03RichD0Manual testing272273--12.18--
2016-06-02T09:25:07PDWManual testing273274--24.36--
2016-06-02T09:25:07PDWManual testing274275--48.72--


ECM factoring results:
Exponent "78531413" not found


Lucas-Lehmer results:
Exponent "78531413" not found


PRP results:
Exponent "78531413" not found


P-1 factor-bounds graph:
B1 = 685000 (stage 1)
101
102
103
104
105
106
101
102
103
104
105
106
TF factor-bounds graph:
275
274
273
272
271
270
269
268
267
266
265
264
263
257
250
260
270
280
290
2100
Last modified: 2016-06-10T13:43:28+00:00