is 2 2590937 - 1
has 779950 decimal digits
takes 0.180 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
Actual26711.468467.1642%----11.468467.1642%0.0000%
PrimeNet2590.029662.7119%110002000000.00212.6931%0.031863.7161%1.0042%
GPU722630.616065.0794%120002000000.00221.5293%0.618265.6134%0.5340%
Difference+4+10.8524+2.0848%-12000-200000-0.0022-1.5293%+10.8502+1.5508%+1.5508%

Known prime factors (4 factors, 237.2 bits, 0.00915338% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2590937264431030231134.6225103
36 × 7
-7297299.757e-107.332e-50.0001
259093795118727696939184171963.0441835604796584
23 × 3 × 13 × 857 × 6865051
2016-12-0285768650511.02340.03770.0703
25909374390201438221657174892168.57384722273027512
23 × 19 × 601 × 927426581
2018-03-2360192742658145.1405.08199.4915
259093722321670429943163898392270.919430764438308287
883 × 3449 × 141444461
2019-08-303449141444461173.870.77541.4476

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
25909372515234315906846368772880745913097.667
25909371160905489226180505854033986924732103.195
25909375902542308244397869997010738329732105.541
2590937417590375136916583002115572123263609491340131.617
25909372123208891366583211123415936342523376486341133.963
259093797996629625046314811308317257805366419427142139.492
259093711042385311158702934882072700608046480765286522199
9
51166.239
259093756144231453756175111238647172385355460213046648084
9
51168.586
259093725913349730818735637019166386649161551111754339381
233
53174.114
259093793213147285225838831823239851327833875748574583051
37112789007
61202.536
259093724648448567612996220514959023143011145238489389450
2667643620482962868161
72237.158
P-1 results:
No P-1 results for M2590937


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2016-12-02T17:10:09TJAOIManual testing263264*63.044190.4070.3650.828


ECM factoring results:

Old Calculation Method

Total ECM effort:0.277 GHz-days
Estimated T-Level:0.150
DigitsB1CurvesCompleteFacMiss
20110003 / 1000.03097.030%
25500003 / 2800.01198.932%

New Calculation Method

Total ECM effort:0.277 GHz-days
Estimated T-Level:0.150
DigitsB1CompleteFacMiss
20110000.11589.102%
25500000.01198.938%


ECM Summary

B1B2factorcurvesGHz-days
50000500000020.185
50000500000010.092


Lucas-Lehmer results:
No L-L results for M2590937


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-15T13:33:19Oliver KruseGTX-1
26443103023
9511872769693918417
27DD48EBB6E87A__no
2017-12-02T05:47:20kkmrkkblmbrbkc4.xlarge
26443103023
9511872769693918417
27DD48EBB6E87A__no
2018-03-23T06:52:49ATHec2-PRPCF
26443103023
9511872769693918417
439020143822165717489
27DD48EBB6E87A__no
2019-08-31T00:35:39mnd975211
26443103023
9511872769693918417
439020143822165717489
2232167042994316389839
27DD48EBB6E87A1Fno


P-1 factor-bounds graph:
101
102
103
104
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
267
264
230
240
250
260
270
280
290
2100
Last modified: 2019-08-31T00:35:39+00:00