is 2 104040283 - 1
has 31319246 decimal digits
takes 414.247 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
Actual276147.096864.4737%5000000500000028.86663.0964%175.963467.5701%5.0701%
PrimeNet2729.192062.5000%450000220000009.37655.3901%18.568467.8901%5.3901%
GPU72276147.096864.4737%6500002200000010.46823.8590%157.565068.3327%3.8590%
Difference---+4350000-17000000+18.3984-0.7626%+18.3984-0.7626%-0.7626%

Known prime factors (1 factor, 79.1 bits, 0.00007605% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
1040402836565199145050476026890412479.1193155123648140440
23 × 3 × 5 × 2376883 × 11061839
2376883110618392020-11-111,406.016.45427.928

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-11-11T11:25:34GregManual testing500000050000002479.11928.87828.557.733.096%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-17T18:12:00Ungelovendei7_2263264--0.019--
2010-08-25T14:37:00Donna NobleATH2-630-temp264265--0.036--
2012-05-03T20:34:00carlos56amd600265266--0.072--
2013-09-01T12:00:00Preben SManual testing266267--0.144--
2014-05-17T22:49:00KishHPLaptop267268--0.287--
2014-06-07T16:33:00SatanManual testing268269--0.575--
2014-06-07T16:33:00SatanManual testing269270--1.149--
2014-06-11T20:21:00SatanManual testing270271--2.298--
2014-12-24T20:32:00GrunwalderGIMPcompute-0-2271272--4.597--
2019-07-31T16:10:35Niels_Mache_NextcloudManual testing272273--9.194--
2019-07-31T16:10:35Niels_Mache_NextcloudManual testing273274--18.39--
2020-10-15T10:17:01ktonyGPU72_TF274275--36.77--
2020-10-15T10:50:01ktonyGPU72_TF275276--73.55--


ECM factoring results:
Exponent "104040283" not found


Lucas-Lehmer results:
Exponent "104040283" not found


PRP results:
Exponent "104040283" not found


P-1 factor-bounds graph:
B1 = 5000000 (stage 1)
105
106
107
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: 2020-11-11T11:25:34+00:00