is 2 10209461 - 1
has 3073355 decimal digits
takes 3.335 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
Actual26911.693765.2174%----11.693765.2174%0.0000%
PrimeNet2640.348662.5000%4500013000000.05373.7562%0.402363.9086%1.4086%
GPU722685.838264.7059%7000016000000.07262.6554%5.910865.6431%0.9372%
Difference+1+5.8555+0.5115%-70000-1600000-0.0726-2.6554%+5.7829-0.4257%-0.4257%

Known prime factors (3 factors, 111.7 bits, 0.00109447% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1020946181675689826.2834
22
-448.764e-131.895e-63.856e-6
1020946115518380731030.53176
22 × 19
2008-09-084191.424e-112.282e-63.856e-6
10209461341972307532318791754.9251674781399
191 × 233 × 37633
2015-08-06233376330.00040.00110.0018

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
102094611267474438287072971856.815
1020946127930823836622026940896312581.208
10209461530685646740316976295291672685.456
10209461433441158399259931173146146032106334111.739
P-1 results:
No P-1 results for M10209461


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08T06:27:00Will EdgingtonManual testing??30.531102.30480e-137.1264.92474e-13
2014-12-25T12:07:00TJAOIManual testing254255*54.925170.0007.1260.000
2022-08-10T19:28:52LordJuliusManual testing2126456.815180.0027.1240.004
2022-08-10T19:28:52LordJuliusManual testing2126430.531101.42412e-117.1263.04297e-11
2022-08-10T19:28:52LordJuliusManual testing2126454.925170.0007.1260.001
2022-08-10T19:28:52LordJuliusManual testing2126426.28388.76429e-137.1261.87270e-12
2022-08-10T19:28:52LordJuliusManual testing264265--0.366--
2022-08-10T19:28:52LordJuliusManual testing265266--0.732--
2022-08-10T19:28:52LordJuliusManual testing266267--1.464--
2022-01-22T13:07:48ViliamFManual testing267268--2.928--
2022-08-10T19:28:53LordJuliusManual testing267268--2.928--
2022-01-22T13:07:48ViliamFManual testing268269--5.856--


ECM factoring results:
No ECM results for M10209461


Lucas-Lehmer results:
No L-L results for M10209461


PRP results:
dateuseridcompidcofactorsres64PRP
2020-02-15T17:28:23Niels_Mache_NextcloudSuperDry-X
81675689
1551838073
34197230753231879
9EFE9FF9717CE1__no
2021-02-10T23:16:57ATH5960X
81675689
1551838073
34197230753231879
9EFE9FF9717CE187no


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
TF factor-bounds graph:
269
268
267
266
265
264
255
2
220
230
240
250
260
270
280
290
2100
Last modified: 2022-08-10T19:28:53+00:00