is 2103891643-1
has 31,274,501 decimal digits
takes 413.655 GHz-days to do one L-L 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
Actual277294.616264.9351%1,500,00075,000,00031.77914.8551%326.395469.7901%7.2901%
PrimeNet2729.205162.5000%450,00022,000,0009.37655.3892%18.581667.8892%5.3892%
GPU72276147.307364.4737%650,00022,000,00010.46823.8584%157.775568.3320%3.8584%
Difference+1+147.3090+0.4614%+850,000+53,000,000+21.3109+0.9967%+168.6199+1.4581%+1.4581%

Known prime factors (2 factors, 202.8 bits, 0.00019522% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
10389164323419395815979513630817372580.95411271068172432076
22 × 41 × 103 × 167 × 353 × 11318603
35311,318,6032020-08-272,518.23.56226.6495
103891643484973977008746364150988470446148339137121.86723340374788795397342546044365
32 × 5 × 11 × 13 × 503 × 23929 × 106739 × 870641 × 3242683
870,6413,242,6832020-08-271.258e+95.772610.230

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
10389164311357797528017579440065902285366253196028688791738
880200930167
62202.821
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-08-27T00:10:24LaurVManual testing1,500,00075,000,00062202.82131.78827.363.564.855%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-17T11:43:00sasaki3MATE_J263264--0.019--
2010-10-27T18:43:00subgeniusdobbs-cpu0264265--0.036--
2012-07-03T01:37:00subgeniusdoorman265266--0.072--
2013-09-01T22:54:00RobishManual testing266267--0.144--
2013-09-02T18:13:00RobishManual testing267268--0.288--
2013-09-04T12:49:00RobishManual testing268269--0.575--
2013-09-05T14:45:00RobishManual testing269270--1.151--
2013-09-07T09:25:00RobishManual testing270271--2.302--
2014-12-21T13:52:00shaugeManual testing271272--4.603--
2019-08-18T22:19:16Niels_Mache_NextcloudManual testing272273--9.207--
2019-08-18T22:19:16Niels_Mache_NextcloudManual testing273274--18.41--
2020-04-07T19:16:01linamentGPU72_TF274275--36.83--
2020-04-08T09:57:42riccardo ubertiManual testing275276--73.65--
2020-05-11T16:26:14TheJudgerManual testing276277--147.3--


ECM factoring results:
Exponent "103891643" not found


Lucas-Lehmer results:
Exponent "103891643" not found


PRP results:
Exponent "103891643" not found


P-1 factor-bounds graph:
B1 = 1,500,000, B2 = 75,000,000 (stage 2)
B1 = 1,500,000 (stage 1)
101
102
103
104
105
106
107
101
102
103
104
105
106
107
108
TF factor-bounds graph:
277
276
275
274
273
272
271
270
269
268
267
266
265
264
250
260
270
280
290
2100
2110
2120
2130
Last modified: 2020-08-27T00:10:24+00:00