is 21399-1
has 422 decimal digits
takes 0.000 GHz-days to do one L-L test
Has been fully factored.
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
Actualunknown300000000007000000000001.572354.8717%1.572354.8717%-17.6283%
PrimeNet2400.000172.5000%500100000.00001.7591%0.000174.2591%1.7591%
GPU722440.001775.0000%500100000.00000.6766%0.001775.6766%0.6766%
Difference-44-0.0017-75.0000%+29999999500+699999990000+1.5723+54.1951%+1.5707-20.8049%-20.8049%

Known prime factors (3 factors, 379.0 bits, 27.08931017% known):
Remaining cofactor is a certified-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
139928875361824.78310320
24 × 3 × 5 × 43
1643-1.971e-94.131e-107.699e-10
1399432065107102034160950204222158362901782496069746151.5981544192662980822590958556905498080420952452
22 × 29 × 163 × 6301 × 12961235791136394639446427752443219
630112961235791136394639446427752443219-9.328e+131.670e+223.118e+22
139997298319010519586638294530046877232710261919237860
80297556081
61202.59834774238388320081000105264491378567802095039041408
43565960

23 × 5 × 3153224363623 × 27570380647101404930099795108361671361578363
3153224363623275703806471014049300997951083616713615783632020-12-201.033e+143.551e+316.633e+31

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
139912476035943074900231769249938546927957977117493668
6617
54176.381
139928095240861219158617515309794289270171898213225460
7555366919256620241
69227.381
139942039208624128031668574167141111350547218227997805
91800512119520737103636748522093434395973757220897
8348457
107354.196
139912138973251760102246495114314739281882484738792169
53090334274360364308536055264416643939135591862797
817252879667977
115378.979
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-09-07T20:58:12kkmrkkblmbrbkManual testing100000000010000000000012---0.151--44.105%
unknown30000000000700000000000---1.572--48.165%


Trial Factoring results:
Exponent "1399" not found


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
44000000440000000014,484216.8
110000000110000000001,31749.29
2000000002000000000020513.95
2000000002000000000000423955.7
85000000015892628251516117.78


Lucas-Lehmer results:
Exponent "1399" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-25T08:10:52csabaofficeDAC8C51337782C__?
2017-09-27T07:34:22Oliver KruseManual testing
28875361
4320651071020341609502042221583629017824960697
DAC8C51337782C__no
2017-10-09T00:32:45Chang Chia-TchehomuraDAC8C51337782C__?
2017-10-12T13:29:14kkmrkkblmbrbkManual testing
28875361
4320651071020341609502042221583629017824960697
DAC8C51337782C__no
2020-04-17T12:30:34Oliver KruseIOS-1
28875361
4320651071020341609502042221583629017824960697
CB9A0C7A82105618no
2020-08-12T10:14:41_p95holder_TFL16_PRPt11-E_b
28875361
4320651071020341609502042221583629017824960697
CB9A0C7A82105618no
2020-12-20T05:09:24mikrNitron
28875361
4320651071020341609502042221583629017824960697
97298319010519586638294530046877232710261919237860
80297556081
PRP
2020-12-20T12:21:07Maciej KmieciakAsrock
28875361
4320651071020341609502042221583629017824960697
97298319010519586638294530046877232710261919237860
80297556081
PRP


P-1 factor-bounds graph:
B1 = 30000000000, B2 = 700000000000 (stage 2)
B1 = 30000000000 (stage 1)
B1 = 1000000000, B2 = 100000000000 (stage 2)
B1 = 1000000000 (stage 1)
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TF factor-bounds graph:
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Last modified: 2020-12-20T12:21:07+00:00