is 256923-1
has 17,136 decimal digits
takes 0.000 GHz-days to do one L-L test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual26328.038274.6032%100,000,0001,127,852,062,260105.845524.6718%133.883799.2750%39.2750%
PrimeNet2400.000060.0000%60010,0000.00005.1182%0.000065.1182%5.1182%
GPU722440.000063.6364%50010,0000.00002.1171%0.000065.7534%2.1171%
Difference+19+28.0381+10.9668%+99,999,500+1,127,852,052,260+105.8455+22.5547%+133.8836+33.5215%+33.5215%

Known prime factors (4 factors, 220.9 bits, 0.38803744% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
569232276921721.11920
22 × 5
45-4.929e-126.973e-91.400e-8
569232390767721.18921
3 × 7
372008-08-264.930e-125.534e-91.050e-8
569239802369430471239.8348610201
32 × 956689
9956,6892008-08-262.161e-68.966e-50.0002
5692358218042351006870063642891013606448001004142138.7415113753873742324724947990356587534740
22 × 5 × 51283 × 61547 × 6886457 × 38624437 × 304559051893
38,624,4373.04559e+112016-11-112.934e+1228.60153.301

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
5692354435875884071342.308
5692322319220805995182871960.953
5692323435181356176470491961.023
5692353360056568686685364561292582.142
56923132557883207896913592179835049591807188894256376149159.859
56923139185774457389641721445323619926846868016569144749159.930
5692357067475864331755273680845823850971871232222970513
4927
54178.575
5692331691501276329408041803500770200745609757115463351
94687
55181.048
5692312993813421249012454950466515408857872401794435824
45523119767
61199.694
5692313643503806974083756039213472775071646767024801454
56314019009
61199.764
5692331065180331679237759884561979644488909028420877952
72535972475991289
67220.883
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-10-02T10:52:13kkmrkkblmbrbkManual testing100,000,0002,000,000,00012---0.350--14.423%
2016-11-11T22:36:35kkmrkkblmbrbkManual testing100,000,0001,127,852,062,26042138.741105.80.000211.724.672%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-08-26T20:08:00ANONYMOUSManual testing??21.18972.23092e-140.0004.66479e-14


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
50,0005,000,0002810.348
250,00025,000,0005853.619
1,000,000100,000,00042410.49


Lucas-Lehmer results:
Exponent "56923" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-20T19:45:58kkmrkkblmbrbkManual testing
2276921
2390767
980236943047
582180423510068700636428910136064480010041
6AAFCB2E44796975no
2017-09-27T12:40:42csabaoffice6AAFCB2E447969__?
2017-10-02T11:06:08kkmrkkblmbrbkManual testing
2276921
2390767
980236943047
582180423510068700636428910136064480010041
6AAFCB2E447969__no
2017-11-06T12:08:57ATHec2-1xd
2276921
2390767
980236943047
582180423510068700636428910136064480010041
6AAFCB2E447969__no
2020-04-17T13:48:08Oliver KruseAddPrpType5
2276921
2390767
980236943047
582180423510068700636428910136064480010041
B057C7749370F0__no


P-1 factor-bounds graph:
B1 = 100,000,000, B2 = 1,127,852,062,260 (stage 2)
B1 = 100,000,000, B2 = 2,000,000,000 (stage 2)
B1 = 100,000,000 (stage 1)
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TF factor-bounds graph:
263
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Last modified: 2020-09-26T23:19:56+00:00