is 2 104546489 - 1
has 31471630 decimal digits
takes 416.262 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
Actual276146.384664.4737%8750001815625010.48743.8609%156.872068.3345%5.8345%
PrimeNet2729.147462.5000%450000220000009.37655.3932%18.523967.8932%5.3932%
GPU72276146.384664.4737%6500002400000011.09733.9249%157.481968.3986%3.9249%
Difference---+225000-5843750-0.6099-0.0641%-0.6099-0.0641%-0.0641%

Known prime factors (1 factor, 97.4 bits, 0.00009320% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
1045464892142192430951510359594696153133097.4351024516677433094075304
23 × 32 × 101 × 14621 × 168211 × 57284047
168211572840472020-10-27567,740,05118.93733.653

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-10-27T05:07:04Ben Deloi-0e58345ebbf6bae7587500018156250123097.43510.49832.520.973.861%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-18T21:37:00kiwiboybis263264--0.019--
2010-08-27T20:20:00Aliali-pone264265--0.036--
2012-05-06T13:58:00Csaba Vágóapugep265266--0.071--
2013-09-02T04:44:00Le ComteManual testing266267--0.143--
2014-05-09T02:14:00ANONYMOUS267268--0.286--
2014-08-08T17:21:00ANONYMOUS268269--0.572--
2015-01-06T05:26:00driveByUpgradesBuild_4269270--1.144--
2015-01-14T21:46:00driveByUpgradesBuild_4270271--2.287--
2019-01-18T08:55:15Niels_Mache_NextcloudManual testing271272--4.575--
2019-12-02T23:56:54Ryan PropperManual testing272273--9.149--
2020-03-31T05:40:54SRBaseManual testing273274--18.30--
2020-10-11T03:30:02ktonyGPU72_TF274275--36.60--
2020-10-11T04:35:02Runtime ErrorGPU72_TF275276--73.19--


ECM factoring results:
Exponent "104546489" not found


Lucas-Lehmer results:
Exponent "104546489" not found


PRP results:
Exponent "104546489" not found


P-1 factor-bounds graph:
B1 = 875000, B2 = 18156250 (stage 2)
B1 = 875000 (stage 1)
104
105
106
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: 2020-10-27T05:07:04+00:00