is 2 4187059 - 1
has 1260431 decimal digits
takes 0.522 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
Actual2677.096667.1642%----7.096667.1642%0.0000%
PrimeNet2610.073463.9344%170003400000.00632.8331%0.079664.9562%1.0218%
GPU722651.742466.1538%220004500000.00821.8737%1.750666.7880%0.6342%
Difference+2+5.3542+1.0103%-22000-450000-0.0082-1.8737%+5.3460+0.3761%+0.3761%

Known prime factors (4 factors, 172.9 bits, 0.00412885% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
418705975367063826.1679
32
-992.139e-121.628e-63.312e-6
41870591237024710971236.84814772
22 × 3 × 1231
2008-09-07412312.618e-91.281e-52.273e-5
41870596192827743371239.17273952
25 × 2311
2008-09-073223111.761e-82.824e-54.261e-5
418705919047728904637778731272270.690227459523553857
34 × 7 × 5557 × 72190603
2018-12-06555772190603108.210.71221.3285

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
418705993230919324232781111963.016
4187059466735238682714622312065.339
4187059766068094932927158376892376.020
41870591435571384362756461819686160013096.858
4187059577363023730999019198020463740731102.187
418705923562511342894462927592085051031933107.538
4187059117959304008831497187620175754179934109.862
41870591775837276818141589814997112342479422309741133.706
41870598890246296669756004923692606136349036633741136.029
418705914591857394774714513594821577445499256688350345146.710
418705910997454355590017795531152743010943215452840684261
689
53172.877
P-1 results:
No P-1 results for M4187059


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-07T23:39:00Will EdgingtonManual testing??36.848124.31606e-101.1349.37642e-10
2008-09-07T23:39:00Will EdgingtonManual testing??39.172121.21153e-101.1342.63198e-10


ECM factoring results:

Old Calculation Method

Total ECM effort:0.545 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.545 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000030.545


Lucas-Lehmer results:
No L-L results for M4187059


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-15T23:57:04Oliver KruseGTX-1
75367063
123702471097
619282774337
DBD4E47A41D253__no
2017-12-27T13:03:39kkmrkkblmbrbkc4.xlarge
75367063
123702471097
619282774337
DBD4E47A41D253__no
2018-12-08T03:22:23Oliver KruseGTX-5
75367063
123702471097
619282774337
1904772890463777873127
DBD4E47A41D253F1no


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
267
2
220
230
240
250
260
270
280
290
2100
Last modified: 2018-12-08T03:22:23+00:00