is 2 104679433 - 1
has 31511650 decimal digits
takes 416.791 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276146.198764.4737%7390007390004.26651.5198%150.465265.0136%0.5399%
PrimeNet2729.135862.5000%450000220000009.37655.3940%18.512364.5227%2.0227%
GPU72276146.198764.4737%6500002400000011.09733.9255%157.296065.8683%1.3946%
Difference---+89000-23261000-6.8308-2.4058%-6.8308-0.8547%-0.8547%

Known prime factors (1 factor, 82.6 bits, 0.00007887% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
10467943371449912290224858338894972582.56334127961072460556
22 × 7 × 19 × 47 × 131 × 17573 × 592903
2021-07-021757359290315,4250.28240.3483

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-07-02T19:10:56Jwb52zClay7390007390002582.5634.266833.68.5331.520%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-24T00:31:00RichardUNKNOWN263264--0.019--
2010-08-28T14:20:00sasaki3tuke3264265--0.036--
2012-05-07T07:48:00OS1L7265266--0.071--
2013-09-02T05:47:00Cow_tippingManual testing266267--0.143--
2013-09-03T06:53:00Preben SManual testing267268--0.286--
2014-05-26T07:34:00g0bManual testing268269--0.571--
2014-06-11T01:34:00driveByUpgradesBuild_4269270--1.142--
2014-06-16T21:50:00PascalBieriManual testing270271--2.284--
2014-12-27T00:50:00shaugeManual testing271272--4.569--
2020-03-01T14:03:40tscManual testing272273--9.138--
2020-04-02T16:25:13SRBaseManual testing273274--18.28--
2021-03-25T20:41:06dcheukManual testing274275--36.55--
2021-03-28T21:17:58TheJudgerManual testing275276--73.10--


ECM factoring results:
No ECM results for M104679433


Lucas-Lehmer results:
No L-L results for M104679433


PRP results:
No PRP results for M104679433


P-1 factor-bounds graph:
B1 = 739000 (P-1 stage 1)
103
104
105
106
103
104
105
106
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: 2021-07-02T19:10:56+00:00