is 2 4923419 - 1
has 1482097 decimal digits
takes 0.682 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
Actual2676.035265.6716%----6.035265.6716%0.0000%
PrimeNet2610.062462.2951%220004500000.00913.3047%0.071563.5411%1.2461%
GPU722651.481864.6154%320007000000.01372.3759%1.495665.4561%0.8407%
Difference+2+4.5534+1.0563%-32000-700000-0.0137-2.3759%+4.5396+0.2156%+0.2156%

Known prime factors (4 factors, 181.1 bits, 0.00367765% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
49234199846839723.2311
1
-112.270e-132.010e-74.090e-7
4923419386389923131135.1693924
22 × 32 × 109
2008-09-0891091.719e-92.904e-63.681e-6
49234192581144949090171547.87526212932
22 × 32 × 192 × 2017
2008-09-0836120176.835e-69.069e-50.0001
4923419326778831147552223191112374.7913318616911820345
5 × 663723382364069
2019-08-0956637233823640691,447.47,267,95513,574,517

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
49234193804719364283486071858.401
492341925416118749354100472632271.106
492341999732839846633854973863212583.044
49234193217738538918131985854926401293098.022
49234199820532169825882618769802368931932106.276
4923419126264047447613953206473596199374334109.960
4923419843463529486093941808029022168532388737122.666
49234191243301746705015531377679259526250632837741133.191
49234198305449577221319783859030688620969297814319344145.897
492341932590580832109032657916302709250829557470828063148157.835
492341932091420237026367502824390825325672926885649113402
75409
55181.066
P-1 results:
No P-1 results for M4923419


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08T00:19:00Will EdgingtonManual testing??47.875153.02669e-61.4496.42626e-6
2008-09-08T00:19:00Will EdgingtonManual testing??35.169117.89648e-101.4491.67659e-9


ECM factoring results:

Old Calculation Method

Total ECM effort:0.420 GHz-days
Estimated T-Level:0.100
DigitsB1CurvesCompleteFacMiss
20110002 / 1000.02098.010%
25500002 / 2800.00799.287%

New Calculation Method

Total ECM effort:0.420 GHz-days
Estimated T-Level:0.100
DigitsB1CompleteFacMiss
20110000.06593.752%
25500000.00699.419%


ECM Summary

B1B2factorcurvesGHz-days
50000500000020.420


Lucas-Lehmer results:
No L-L results for M4923419


PRP results:
dateuseridcompidcofactorsres64PRP
2017-11-20T17:06:54kkmrkkblmbrbkc4.xlarge
9846839
38638992313
258114494909017
B7F60F26BB6A4B__no
2018-04-11T11:27:19Oliver KruseGTX-7
9846839
38638992313
258114494909017
B7F60F26BB6A4B__no
2019-08-10T09:05:16Niels_Mache_NextcloudSuperDry-X
9846839
38638992313
258114494909017
32677883114755222319111
B7F60F26BB6A4B74no


P-1 factor-bounds graph:
100
101
102
103
100
101
102
103
104
105
106
107
108
109
1010
1011
1012
1013
1014
1015
TF factor-bounds graph:
267
2
220
230
240
250
260
270
280
290
2100
Last modified: 2019-08-10T09:05:16+00:00