is 2 104524447 - 1
has 31464994 decimal digits
takes 416.174 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
Actual276146.415564.4737%5000000500000028.86663.0981%175.282067.5718%5.0718%
PrimeNet2729.149462.5000%450000220000009.37655.3930%18.525867.8930%5.3930%
GPU72276146.415564.4737%6500002400000011.09733.9248%157.512868.3985%3.9248%
Difference---+4350000-19000000+17.7693-0.8267%+17.7693-0.8267%-0.8267%

Known prime factors (1 factor, 89.7 bits, 0.00008577% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
1045244479738917281093871738579345292789.6544658679170574263712
25 × 32 × 47 × 59 × 1101649 × 5295137
110164952951372020-12-041,467,3787.679212.944

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-12-04T12:17:02Ryan PropperManual testing500000050000002789.65428.87832.357.733.098%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-19T01:48:00lindedskynet-node045263264--0.019--
2010-08-27T19:25:00sasaki3MATE_J264265--0.036--
2012-05-05T20:46:00OS1corner3265266--0.071--
2014-05-16T11:46:00symallad6corething266267--0.143--
2014-06-11T16:12:00PascalBieriManual testing267268--0.286--
2014-10-17T15:54:00shaugeManual testing268269--0.572--
2014-10-17T15:54:00shaugeManual testing269270--1.144--
2014-10-17T15:54:00shaugeManual testing270271--2.288--
2014-12-29T11:01:00sebanManual testing271272--4.576--
2019-12-04T05:03:14CGHManual testing272273--9.151--
2020-04-01T14:38:13SRBaseManual testing273274--18.30--
2020-09-23T22:14:09RichD0GPU72_TF274275--36.60--
2020-09-27T13:55:02RichD0GPU72_TF275276--73.21--


ECM factoring results:
Exponent "104524447" not found


Lucas-Lehmer results:
Exponent "104524447" not found


PRP results:
Exponent "104524447" not found


P-1 factor-bounds graph:
B1 = 5000000 (stage 1)
105
106
107
105
106
107
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: 2020-12-04T12:17:02+00:00