is 2 102796261 - 1
has 30944759 decimal digits
takes 409.293 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
Actual276148.877064.4737%----148.877064.4737%1.9737%
PrimeNet2729.303262.5000%450000220000009.37655.3824%18.679767.8824%5.3824%
GPU72276148.877064.4737%6500002200000010.46823.8534%159.345268.3271%3.8534%
Difference----650000-22000000-10.4682-3.8534%-10.4682-3.8534%-3.8534%

Known prime factors (1 factor, 76.0 bits, 0.00007391% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
102796261742904839175931990369192375.976361348181319519
33 × 23 × 6781 × 85810519
6781858105192020-10-25111.8027.02850.412

P-1 results:
Exponent "102796261" not found


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-05-05T12:27:001997rj7compw263264--0.019--
2010-08-20T06:44:00Mr-Plonklinux-i7-920264265--0.036--
2012-04-25T05:58:00ALSJC-Witten265266--0.073--
2013-09-05T10:10:00JoDuManual testing266267--0.145--
2013-12-25T18:47:00TDH-DXLmarrina267268--0.291--
2014-05-07T07:36:00g0bManual testing268269--0.582--
2014-05-21T07:59:00g0bManual testing269270--1.163--
2014-10-20T23:44:00PascalBieriManual testing270271--2.326--
2015-01-09T19:14:00shaugeManual testing271272--4.652--
2020-02-14T13:22:02ViliamFManual testing272273--9.305--
2020-02-14T13:22:02ViliamFManual testing273274--18.61--
2020-10-22T21:45:03ktonyGPU72_TF274275--37.22--
2020-10-25T20:33:01FlaukrotistGPU72_TF27527675.9762337.36833.676.10


ECM factoring results:
Exponent "102796261" not found


Lucas-Lehmer results:
Exponent "102796261" not found


PRP results:
Exponent "102796261" not found


P-1 factor-bounds graph:
102
103
104
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: 2020-10-25T20:33:01+00:00