is 2 104706583 - 1
has 31519823 decimal digits
takes 416.899 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
Actual276146.160864.4737%5000000500000028.86663.0988%175.027367.5725%5.0725%
PrimeNet2729.133562.5000%450000220000009.37655.3942%18.509967.8942%5.3942%
GPU72276146.160864.4737%6500002400000011.09733.9257%157.258168.3993%3.9257%
Difference---+4350000-19000000+17.7693-0.8269%+17.7693-0.8269%-0.8269%

Known prime factors (1 factor, 84.8 bits, 0.00008099% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
104706583337943852754723933612567372684.805161376602631910896
24 × 3 × 47 × 263 × 16187 × 16802711
16187168027112020-12-1362,9785.37369.871

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2020-12-13T15:52:14GregManual testing500000050000002684.80528.87833.857.733.099%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-23T11:25:00Carsten Kossendeyleela263264--0.019--
2010-08-30T13:39:00James Hintz06_122109264265--0.036--
2012-05-07T09:44:00Mr-PlonkLinux-i7265266--0.071--
2014-05-18T06:35:00SMoffatManual testing266267--0.143--
2014-10-16T18:43:00La GüiraManual testing267268--0.285--
2014-10-16T18:43:00La GüiraManual testing268269--0.571--
2014-10-16T18:43:00La GüiraManual testing269270--1.142--
2014-10-17T15:55:00shaugeManual testing270271--2.284--
2015-01-08T02:14:00SMoffatManual testing271272--4.568--
2020-02-25T15:34:35el groccoManual testing272273--9.135--
2020-04-01T14:37:25SRBaseManual testing273274--18.27--
2020-10-16T14:44:01NicahlosGPU72_TF274275--36.54--
2020-10-16T15:13:02ktonyGPU72_TF275276--73.08--


ECM factoring results:
Exponent "104706583" not found


Lucas-Lehmer results:
Exponent "104706583" not found


PRP results:
Exponent "104706583" not found


P-1 factor-bounds graph:
B1 = 5000000 (stage 1)
103
104
105
106
107
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: 2020-12-13T15:52:14+00:00