is 2 102525751 - 1
has 30863327 decimal digits
takes 408.216 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
Actual276149.269864.4737%9000000900000051.95983.6977%201.229668.1714%5.6714%
PrimeNet2729.327762.5000%450000220000009.37655.3807%18.704267.8807%5.3807%
GPU72276149.269864.4737%6500002200000010.46823.8521%159.738068.3258%3.8521%
Difference---+8350000-13000000+41.4916-0.1544%+41.4916-0.1544%-0.1544%

Known prime factors (1 factor, 82.1 bits, 0.00008012% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
10252575153586296651619601269732072582.14826133091505771853
3 × 17 × 41 × 131 × 2003 × 47630431
2003476304312021-02-0515,57714.99327.982

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-02-05T20:08:58Mihai PredaManual testing900000090000002582.14851.96816.4103.93.698%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-05-02T23:18:001997rj7Manual testing263264--0.019--
2010-08-18T16:06:00RichardFX5000_1264265--0.036--
2012-04-26T17:26:00Richardworkmy265266--0.073--
2013-08-29T16:39:00RobishManual testing266267--0.146--
2014-05-03T14:42:00SMoffatManual testing267268--0.292--
2014-05-06T01:32:00SMoffatManual testing268269--0.583--
2014-05-10T02:33:00NoWhereManT1065269270--1.166--
2014-05-11T09:09:00SatanManual testing270271--2.332--
2018-12-15T11:35:15el groccoManual testing271272--4.665--
2020-03-29T06:33:22SRBaseManual testing272273--9.329--
2020-03-31T14:04:24SRBaseManual testing273274--18.66--
2020-09-26T13:09:01el groccoGPU72_TF274275--37.32--
2020-09-27T09:10:01Bill StaffenGPU72_TF275276--74.64--


ECM factoring results:
Exponent "102525751" not found


Lucas-Lehmer results:
Exponent "102525751" not found


PRP results:
Exponent "102525751" not found


P-1 factor-bounds graph:
B1 = 9000000 (stage 1)
102
103
104
105
106
107
102
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
280
290
2100
Last modified: 2021-02-05T20:10:29+00:00