is 2 104015749 - 1
has 31311861 decimal digits
takes 414.149 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
Actual276147.131564.4737%5000000500000028.86663.0963%175.998167.5700%5.0700%
PrimeNet2729.194162.5000%450000220000009.37655.3899%18.570667.8899%5.3899%
GPU72276147.131564.4737%6500002200000010.46823.8589%157.599768.3326%3.8589%
Difference---+4350000-17000000+18.3984-0.7626%+18.3984-0.7626%-0.7626%

Known prime factors (1 factor, 93.9 bits, 0.00009024% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
104015749179647449751385957311437298572993.85986355889121841519072
25 × 3 × 172 × 179 × 821 × 1031 × 20543197
1031205431972020-11-1538,119,2696.467412.069

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-11-15T19:51:09Ryan PropperManual testing500000050000002993.85928.87828.357.733.096%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-17T17:51:00carlos56phenom810263264--0.019--
2010-08-25T14:23:00OS1L8264265--0.036--
2012-05-04T11:35:00carlos56amd600265266--0.072--
2013-08-30T14:54:00g0bManual testing266267--0.144--
2014-07-07T00:52:00KrulManual testing267268--0.287--
2015-04-15T08:52:00KishHPLaptop268269--0.575--
2015-04-18T09:45:00Judge HaleManual testing269270--1.149--
2015-04-18T09:45:00Judge HaleManual testing270271--2.299--
2015-04-18T09:45:00Judge HaleManual testing271272--4.598--
2019-08-05T10:19:16Niels_Mache_NextcloudManual testing272273--9.196--
2019-08-05T10:19:16Niels_Mache_NextcloudManual testing273274--18.39--
2020-08-10T15:07:01ktonyGPU72_TF274275--36.78--
2020-08-10T16:49:02Bill StaffenGPU72_TF275276--73.57--


ECM factoring results:
Exponent "104015749" not found


Lucas-Lehmer results:
Exponent "104015749" not found


PRP results:
Exponent "104015749" not found


P-1 factor-bounds graph:
B1 = 5000000 (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: 2020-11-15T19:51:09+00:00