is 2 1381 - 1
has 416 decimal digits
takes 0.000 GHz-days to do one PRP 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
Actual2631,155.696382.5397%10000000001000000000000.151218.2043%1,155.8474100.7440%28.2440%
PrimeNet2400.000172.5000%500100000.00001.7523%0.000174.2523%1.7523%
GPU722440.001775.0000%500100000.00000.6737%0.001775.6737%0.6737%
Difference+19+1,155.6946+7.5397%+999999500+99999990000+0.1512+17.5305%+1,155.8457+25.0702%+25.0702%

Known prime factors (5 factors, 415.8 bits, 30.10660300% known):
Remaining cofactor is not a probable-prime

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
13818287413.0173
3
13-7.906e-132.622e-114.812e-11
13814628532836231238.752167579031
3 × 19 × 37 × 181 × 439
181439-4.024e-54.612e-98.709e-9
1381203146024843656575212064.1397355033484563960
23 × 5 × 13 × 14144295162623
1314144295162623-3,818.918.22034.030
13813243477805888796093567568025513098.033117432215998870242344951775
3 × 52 × 97 × 85133 × 189607853131799057
85133189607853131799057-9.070e+13244,241456,175
138157179431575531817052111791127393011679057816412043
56084154399
61201.83120702183771010795456955753485660033192997037078944
08430179

3 × 11 × 251 × 1797017 × 2131849 × 175645475683 × 371435068600254922310844406067
1756454756833714350686002549223108444060672020-10-221.205e+144.785e+178.936e+17

26 Composite Factors:
exponentprime factorscomposite factordigitsbits*
138138356651613838011651.768
13811683471107879382038765272477.156
1381940268046538459810380829607858331102.891
1381268787005774004532273944362274013734111.050
13817792001301664216448625934960321732135115.908
138115012543528139526778940440092257261292227342136.785
1381124408948217692258417079427044535924328687635146149.802
1381658899622934934090040770302141128223370468513607149162.173
138154603011752617988041678634938435295870710725722620
377
53175.189
138130497385405339080405245207629032302574490155993097
82910865233
61200.924
138125273183285404495931826703562179069143479992271480
170982340185871
65213.941
138147384594946643216791085041307270588778435212460660
498869387504513
65214.848
138126465687660431549865081646629789772559275098949178
66249922201696470107577
73240.583
138121932115364199625373193160562106784519871274499184
357613105285458647781490599
77253.600
138111615774227389147735099618379621279608581412519070
0441735273563265060280919584879
81265.970
138196259921022373867280770537511921544116314165545533
4560660212018777554547980599892273
84278.987
138118546021726857448509659185337271164007883842296604
19699433058631960296768105757463841071849
91299.865
138153763992429704828914263117380219118139969189533750
900520527960861416780130664675255209136617
92304.722
138115369088205046767579954566888996613613333340111195
898049201756883054979317292412102850962412663
95312.881
138144554220526496391721249845372987583202592467366619
3712613615211658560856942818163839918115145079
96317.739
138185840870544194708515314015659790929874004094665491
46081189058992811076124833044198704807955215180289
27
102338.616
138171136329419974154946640724777268743586587193249292
77357481373187342538784649143727466674352486819905
718049
106351.633
138137675505904751778533727941818837228840143462103796
71152559847001565254383954864603629724150497324638
6288226329
110364.004
138131221691743267798870900345385270411539826887045416
33484126345210197126307983396297027952403517132928
03170531588423
114377.020
138117438231620172086173085262126194310364418277193137
77158489254166696968812318805086814392187503390937
4659724239282253109967
122402.756
138114451062543636607811635756723977224998993426309953
27131240044927941778054768593775443086805784060069
87805134770932031522296529
126415.772
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2016-09-07T20:58:12kkmrkkblmbrbkManual testing100000000010000000000012---0.151--18.204%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2009-10-25T00:00:00Carsten Kossendeyv4_computers??149.802469.80931e+126.90948e-83.00992e+13


ECM factoring results:
ECM Summary

B1B2factorcurvesGHz-days
44000000440000000014,189212.4
110000000110000000001,26747.42
2000000002000000000023115.72
2000000002000000000000438989.5
80000000030000000000003,66012,823
80000000016000123456789353.67
85000000015892628251516117.78


Lucas-Lehmer results:
Exponent "1381" not found


PRP results:
dateuseridcompidcofactorsres64PRP
2017-09-25T08:10:51csabaoffice5F12ECA1920135__?
2017-09-27T07:34:22Oliver KruseManual testing
8287
462853283623
20314602484365657521
324347780588879609356756802551
5F12ECA1920135__no
2017-10-09T00:32:45Chang Chia-Tchehomura5F12ECA1920135__?
2017-10-12T13:29:14kkmrkkblmbrbkManual testing
8287
462853283623
20314602484365657521
324347780588879609356756802551
5F12ECA1920135__no
2020-04-17T12:30:33Oliver KruseIOS-1
8287
462853283623
20314602484365657521
324347780588879609356756802551
8B47394C9B3C899Ano
2020-08-12T10:14:42_p95holder_TFL16_PRPt11-E_b
8287
462853283623
20314602484365657521
324347780588879609356756802551
8B47394C9B3C899Ano
2020-10-23T01:26:04James Heinrich3930K
8287
462853283623
20314602484365657521
324347780588879609356756802551
57179431575531817052111791127393011679057816412043
56084154399
8B47394C9B3C899Ano
2020-10-23T11:38:11ANONYMOUSdory
8287
462853283623
20314602484365657521
324347780588879609356756802551
57179431575531817052111791127393011679057816412043
56084154399
8B47394C9B3C899Ano
2020-10-26T03:55:52Klaus Nordmannno1
8287
462853283623
20314602484365657521
324347780588879609356756802551
57179431575531817052111791127393011679057816412043
56084154399
8B47394C9B3C899Ano


P-1 factor-bounds graph:
B1 = 1000000000, B2 = 100000000000 (stage 2)
B1 = 1000000000 (stage 1)
100
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103
104
105
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TF factor-bounds graph:
263
2
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Last modified: 2021-01-03T14:38:04+00:00