is 2 104486209 - 1
has 31453484 decimal digits
takes 416.022 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
Actual276146.469064.4737%8750001815625010.48743.8606%156.956465.8452%1.3715%
PrimeNet2729.152762.5000%450000220000009.37655.3928%18.529264.5223%2.0223%
GPU72276146.469064.4737%6500002400000011.09733.9247%157.566365.8680%1.3943%
Difference---+225000-5843750-0.6099-0.0641%-0.6099-0.0228%-0.0228%

Known prime factors (1 factor, 124.0 bits, 0.00011866% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1044862092109616413982517767198595587047327494338123.988100951907154680947760225255519
137 × 2269 × 2767 × 4523 × 5479 × 459677 × 10303141
2021-06-19459677103031411.292e+95.75016.0529

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-06-19T11:14:41Ben Deloi-0355b4468eed3f8a3875000181562501238123.98810.49832.020.973.861%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-18T15:42:00sasaki3MATE_J263264--0.019--
2010-08-28T03:54:00Donna NoblePH2-940-v3-MVB264265--0.036--
2012-05-06T21:58:00firereddont2265266--0.072--
2014-07-14T04:44:00Smok_bmvManual testing266267--0.143--
2014-07-19T02:20:00duklahome267268--0.286--
2014-07-26T13:19:00PascalBieriManual testing268269--0.572--
2014-07-31T13:39:00Obscurevetmedmullkiste269270--1.144--
2014-11-03T19:55:00ANONYMOUSManual testing270271--2.289--
2015-02-09T13:03:00g0bManual testing271272--4.577--
2020-03-17T08:03:46erick84mmManual testing272273--9.154--
2020-03-31T14:04:27SRBaseManual testing273274--18.31--
2021-02-18T03:50:35ixfd64Manual testing274275--36.62--
2021-02-20T22:20:091997rj7Manual testing275276--73.24--


ECM factoring results:
Exponent "104486209" not found


Lucas-Lehmer results:
Exponent "104486209" not found


PRP results:
Exponent "104486209" not found


P-1 factor-bounds graph:
B1 = 875000, B2 = 18156250 (P-1 stage 2)
B1 = 875000 (P-1 stage 1)
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108
TF factor-bounds graph:
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Last modified: 2021-06-19T11:14:41+00:00