is 2 104676941 - 1
has 31510900 decimal digits
takes 416.781 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual276146.202264.4737%8900001824500010.59723.8728%156.799465.8496%1.3759%
PrimeNet2729.136062.5000%450000220000009.37655.3940%18.512564.5227%2.0227%
GPU72276146.202264.4737%6500002400000011.09733.9255%157.299565.8683%1.3946%
Difference---+240000-5755000-0.5001-0.0527%-0.5001-0.0187%-0.0187%

Known prime factors (1 factor, 119.4 bits, 0.00011405% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
10467694186600450829314450940817743670399011136119.3824136558157030708938123141355
32 × 5 × 29 × 73 × 113 × 457 × 1609 × 7237 × 45293 × 1594283
2021-07-014529315942831.722e+90.74870.9366

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-07-01T06:37:40Ben Deloi-0c0eaf467ec7e55f9890000182450001236119.38210.60833.621.193.873%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-24T00:28:00RichardUNKNOWN263264--0.019--
2010-09-02T05:27:00RichardUNKNOWN264265--0.036--
2012-05-07T04:17:00tscpdm265266--0.071--
2013-09-02T05:45:00Cow_tippingManual testing266267--0.143--
2013-09-03T06:53:00Preben SManual testing267268--0.286--
2013-09-03T14:13:00Risto A. PajuManual testing268269--0.571--
2013-09-03T14:13:00Risto A. PajuManual testing269270--1.142--
2014-05-16T21:35:00Andreas_TruetschManual testing270271--2.284--
2014-12-27T15:31:00shaugeManual testing271272--4.569--
2020-03-01T14:03:41tscManual testing272273--9.138--
2020-04-01T05:37:46SRBaseManual testing273274--18.28--
2021-03-25T00:41:06dcheukManual testing274275--36.55--
2021-03-27T17:20:071997rj7Manual testing275276--73.10--


ECM factoring results:
Exponent "104676941" not found


Lucas-Lehmer results:
Exponent "104676941" not found


PRP results:
Exponent "104676941" not found


P-1 factor-bounds graph:
B1 = 890000, B2 = 18245000 (P-1 stage 2)
B1 = 890000 (P-1 stage 1)
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TF factor-bounds graph:
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Last modified: 2021-07-01T06:37:40+00:00