is 2 104625839 - 1
has 31495516 decimal digits
takes 416.578 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
Actual276146.273664.4737%5000000500000028.86663.0985%175.140167.5722%5.0722%
PrimeNet2729.140562.5000%450000220000009.37655.3937%18.517067.8937%5.3937%
GPU72276146.273664.4737%6500002400000011.09733.9253%157.370968.3990%3.9253%
Difference---+4350000-19000000+17.7693-0.8268%+17.7693-0.8268%-0.8268%

Known prime factors (1 factor, 83.1 bits, 0.00007938% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
104625839100514144796430653515115832683.05648035048395851169
281 × 509 × 2377 × 141287893
23771412878932020-11-0230,10744.45583.004

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-11-02T05:47:23Ryan PropperManual testing500000050000002683.05628.87833.257.733.098%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-24T00:32:00RichardUNKNOWN263264--0.019--
2010-08-28T02:56:00Donna NobleATH2-630-temp264265--0.036--
2012-05-06T17:53:00sasaki3mate_ma1265266--0.071--
2014-05-13T22:27:00SatanManual testing266268--0.429--
2014-05-13T22:27:00SatanManual testing268269--0.571--
2014-05-13T22:27:00SatanManual testing269270--1.143--
2014-05-13T22:27:00SatanManual testing270271--2.286--
2014-12-30T11:24:00Quantum SingularityManual testing271272--4.571--
2020-03-06T23:20:47Will HockensmithManual testing272273--9.142--
2020-04-03T05:40:43SRBaseManual testing273274--18.28--
2020-09-25T03:51:05RichD0GPU72_TF274275--36.57--
2020-10-03T22:35:03ktonyGPU72_TF275276--73.14--


ECM factoring results:
Exponent "104625839" not found


Lucas-Lehmer results:
Exponent "104625839" not found


PRP results:
Exponent "104625839" not found


P-1 factor-bounds graph:
B1 = 5000000 (stage 1)
102
103
104
105
106
107
102
103
104
105
106
107
108
109
TF factor-bounds graph:
276
275
274
273
272
271
270
269
268
266
265
264
250
260
270
280
290
2100
Last modified: 2020-11-02T05:47:23+00:00