is 2 13489919 - 1
has 4060871 decimal digits
takes 5.985 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual27017.713365.7143%3000002101291507.54776.7874%25.260968.0414%
Target2698.850165.2174%9000022000000.13192.7821%8.981966.1851%
Difference+1+8.8632+0.4969%+210000+207929150+7.4158+4.0054%+16.2790+1.8563%

Known prime factors (5 factors, 249.5 bits, 0.00184944% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1348991926979839824.6851
1
-111.657e-136.433e-71.309e-6
1348991961691288175671342.488228657
3 × 11 × 132 × 41
2008-10-011691696.484e-80.00010.0002
1348991993420005024293931653.053346258584
23 × 33 × 7 × 17 × 19 × 709
2014-09-02277090.00024.127e-54.614e-5
1348991943704926748516478491961.923161991064396
22 × 7 × 191 × 30290027
2016-06-13191302900270.04441.06181.9829
134899191867018085380719300172167.3396920049280432
24 × 163 × 2653393129
2022-04-1016326533931293.522693.004173.70

26 Composite Factors:
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-07-06nordisweet16_30.8b14300000300000-
skipped known factor: 26979839
skipped known factor: 6169128817567
skipped known factor: 9342000502429393
--0.193--1.507%
2022-07-14nordisweet16_30.8b14300000210129150-
skipped known factor: 26979839
skipped known factor: 6169128817567
skipped known factor: 9342000502429393
skipped known factor: 4370492674851647849
--7.548--6.787%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-10-01markrManual testing??42.488132.14060e-812.714.54586e-8
2014-09-02TJAOIManual testing??53.053166.63079e-512.710.000
2016-06-13TJAOIManual testing261262*61.923190.02212.660.046
2022-04-10LordJuliusManual testing2126424.68581.65717e-1312.713.51924e-13
2022-04-10LordJuliusManual testing2126461.923190.04412.660.094
2022-04-10LordJuliusManual testing2126442.488136.48384e-812.711.37693e-7
2022-04-10LordJuliusManual testing2126453.053160.00012.710.000
2022-04-10LordJuliusManual testing264265--0.277--
2022-04-10LordJuliusManual testing265266--0.554--
2022-04-10LordJuliusManual testing266267--1.108--
2022-04-10LordJuliusManual testing267268
skipped known factors(?)
--2.216--
2022-04-10LordJuliusManual testing26726867.339211.32012.172.684
2023-01-09LordJuliusManual testing268269--4.432--
2023-01-09LordJuliusManual testing269270--8.863--


ECM factoring results:
No ECM results for M13489919


Lucas-Lehmer results:
No L-L results for M13489919


PRP results:
dateuseridcompidcofactorsres64PRP
2022-08-12Poaooffice-CN2
26979839
6169128817567
9342000502429393
4370492674851647849
186701808538071930017
A8AD948532305010no


P-1 factor-bounds graph:
B1 = 300000, B2 = 210129150 (P-1 stage 2)
B1 = 300000 (P-1 stage 1)
100
101
102
103
104
105
106
100
101
102
103
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105
106
107
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109
1010
TF factor-bounds graph:
270
269
268
267
266
265
264
262
2
220
230
240
250
260
270
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290
2100
Last modified: 2023-01-09T02:45:18+00:00