is 2 4444091 - 1
has 1337805 decimal digits
takes 0.554 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
Actual2676.686265.6716%23000230000.00420.3999%6.690365.8089%3.5138%
PrimeNet2610.069162.2951%180003600000.00662.9426%0.075763.4046%1.1095%
GPU722651.641764.6154%260005500000.00992.0865%1.651565.3537%0.7383%
Difference+2+5.0445+1.0563%-3000-527000-0.0057-1.6865%+5.0388+0.4553%+0.4553%

Known prime factors (3 factors, 90.5 bits, 0.00203749% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
44440918888183723.0831
1
-112.515e-131.808e-73.681e-7
4444091319974553928.25336
22 × 32
2008-09-07998.109e-121.628e-63.312e-6
44440916363582784731239.21171596
22 × 7 × 2557
2008-09-07725572.467e-82.639e-54.708e-5

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
444409128439923824071991651.337
444409156560688326329845591962.295
44440912036184557022476975692167.464
444409118097980964589710473219271272890.548
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2021-05-17T12:47:04mognutswork23000230002890.5480.0041.1090.0080.400%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-07T23:41:00Will EdgingtonManual testing??28.25396.27020e-141.1951.35223e-13
2019-09-06T12:44:56KrieselManual testing263264--0.442--
2019-09-06T12:44:56KrieselManual testing264265--0.841--


ECM factoring results:

Old Calculation Method

Total ECM effort:0.553 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.553 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.09790.776%
25500000.00999.129%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.553


Lucas-Lehmer results:
Exponent "4444091" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-17T10:55:00Oliver KruseGTX-1
8888183
319974553
636358278473
E82C97BCF8D4D7__no
2017-12-31T23:50:36kkmrkkblmbrbkc4.xlarge
8888183
319974553
636358278473
E82C97BCF8D4D7__no


P-1 factor-bounds graph:
B1 = 23000 (P-1 stage 1)
100
101
102
103
104
105
100
101
102
103
104
105
TF factor-bounds graph:
267
265
264
2
220
230
240
250
260
270
280
290
2100
Last modified: 2021-05-17T12:47:04+00:00