is 2 105078997 - 1
has 31631931 decimal digits
takes 418.382 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
Actual276145.642764.4737%7730002323800011.52913.9924%157.171868.4661%5.9661%
PrimeNet2729.101162.5000%450000220000009.37655.3964%18.477667.8964%5.3964%
GPU72276145.642764.4737%6500002400000011.09733.9274%156.740168.4010%3.9274%
Difference---+123000-762000+0.4317+0.0651%+0.4317+0.0651%+0.0651%

Known prime factors (1 factor, 84.6 bits, 0.00008054% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
105078997299630330035983541335866472684.631142573843770122559
3 × 27329 × 45083 × 38572879
45083385728792020-12-2051,15812.37922.661

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-12-20T17:57:26Kevin JagetX29977300023238000122684.63111.53836.823.063.992%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-24T18:12:00RichardUNKNOWN263264--0.019--
2010-08-30T05:00:00oodairaLinux01264265--0.036--
2012-05-12T23:18:00omiXorpLLB16-T5500-15265266--0.071--
2013-09-09T21:45:00willmoreManual testing266267--0.142--
2014-06-15T18:36:00SMoffatManual testing267268--0.284--
2014-06-22T13:23:00SMoffatManual testing268269--0.569--
2014-06-26T03:17:00SMoffatManual testing269270--1.138--
2014-07-02T01:38:00SMoffatManual testing270271--2.276--
2019-01-02T18:28:51el groccoManual testing271272--4.551--
2019-12-06T18:02:13Ryan PropperManual testing272273--9.103--
2020-03-03T07:47:18Hans LoeblichManual testing273274--18.21--
2020-11-30T02:34:08Jon PaceManual testing274275--36.41--
2020-11-30T02:34:08Jon PaceManual testing275276--72.82--


ECM factoring results:
Exponent "105078997" not found


Lucas-Lehmer results:
Exponent "105078997" not found


PRP results:
Exponent "105078997" not found


P-1 factor-bounds graph:
B1 = 773000, B2 = 23238000 (stage 2)
B1 = 773000 (stage 1)
103
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105
106
103
104
105
106
107
108
TF factor-bounds graph:
276
275
274
273
272
271
270
269
268
267
266
265
264
250
260
270
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290
2100
Last modified: 2020-12-20T17:57:26+00:00