is 2 13043593 - 1
has 3926513 decimal digits
takes 5.328 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-
PRP221E4CBFCE1BD86Dverified PRP

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2672.278064.1791%3000002298681007.58578.9700%9.863767.3922%3.2131%
PrimeNet2640.272962.5000%6000017000000.08854.3393%0.361364.1272%1.6272%
GPU722684.569764.7059%9000024000000.12783.1704%4.697565.8248%1.1190%
Difference-1-2.2916-0.5268%+210000+227468100+7.4578+5.7996%+5.1662+1.5674%+1.5674%

Known prime factors (3 factors, 108.2 bits, 0.00082916% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1304359378261559826.2223
3
-136.858e-136.568e-71.205e-6
1304359311225577007671340.03043031
37 × 1163
2008-09-083711631.476e-85.825e-57.001e-5
1304359341049752402171341.901157356
22 × 33 × 31 × 47
2008-10-0131472.380e-81.888e-53.737e-5

4 Composite Factors:
exponentprime factorscomposite factordigitsbits*
13043593878531157294809157532066.252
130435933212617619557819183032168.122
1304359346080715673634590301464392581.930
1304359336063486484543782333188831443840133108.152
P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2022-05-29T10:17:15nordisweet16_30.8b14300000300000-
skipped known factor: 78261559
skipped known factor: 1122557700767
skipped known factor: 4104975240217
--0.178--2.160%
2022-06-01T14:04:12nordisweet16_30.8b14300000229868100-
skipped known factor: 78261559
skipped known factor: 1122557700767
skipped known factor: 4104975240217
--7.586--8.970%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-10-01T00:44:00markrManual testing??41.901131.34172e-911.132.80160e-9
2008-09-08T09:22:00Will EdgingtonManual testing??40.030133.52689e-911.137.36434e-9


ECM factoring results:
No ECM results for M13043593


Lucas-Lehmer results:
No L-L results for M13043593


PRP results:
dateuseridcompidcofactorsres64PRP
2022-06-03T15:31:22Poaooffice-CN2
78261559
1122557700767
4104975240217
221E4CBFCE1BD86Dno


P-1 factor-bounds graph:
B1 = 300000, B2 = 229868100 (P-1 stage 2)
B1 = 300000 (P-1 stage 1)
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TF factor-bounds graph:
267
2
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2100
Last modified: 2022-06-03T15:31:22+00:00