is 2 104543209 - 1
has 31470642 decimal digits
takes 416.249 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
Actual276146.389264.4737%8750001815625010.48743.8608%156.876665.8453%1.3716%
PrimeNet2729.147762.5000%450000220000009.37655.3932%18.524264.5224%2.0224%
GPU72276146.389264.4737%6500002400000011.09733.9249%157.486565.8681%1.3944%
Difference---+225000-5843750-0.6099-0.0641%-0.6099-0.0228%-0.0228%

Known prime factors (1 factor, 126.9 bits, 0.00012143% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
10454320916369884141490177062064584948000959542339126.944782924318952662772292774413879
32 × 7 × 61 × 2213 × 198391 × 199403 × 298451 × 7797247
2021-06-2229845177972471.728e+94.08184.5808

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-06-22T14:49:17Ben Deloi-0381a5f030c0fe93d875000181562501239126.94410.49832.520.973.861%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2010-04-18T22:48:00carlos56xp10263264--0.019--
2010-08-27T18:04:00Donna NoblePH9500264265--0.036--
2012-05-06T00:42:00mmVIR004265266--0.071--
2014-10-14T15:51:00Earle LoweManual testing266267--0.143--
2014-10-15T17:27:00Earle LoweManual testing267268--0.286--
2014-10-16T16:08:00Earle LoweManual testing268269--0.572--
2014-10-17T17:13:00Earle LoweManual testing269270--1.144--
2014-10-20T22:40:00Earle LoweManual testing270271--2.287--
2019-01-18T08:55:14Niels_Mache_NextcloudManual testing271272--4.575--
2019-12-03T06:27:44CGHManual testing272273--9.149--
2020-03-31T18:22:18SRBaseManual testing273274--18.30--
2021-02-27T09:33:39dcheukManual testing274275--36.60--
2021-03-01T00:55:04Yves de WandelaarManual testing275276--73.20--


ECM factoring results:
Exponent "104543209" not found


Lucas-Lehmer results:
Exponent "104543209" not found


PRP results:
Exponent "104543209" 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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TF factor-bounds graph:
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Last modified: 2021-06-22T14:49:17+00:00