is 2 13502417 - 1
has 4064633 decimal digits
takes 5.991 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
Actual2672.200664.1791 %3000002101291507.54778.9044 %9.748367.3687 %
Target2698.841965.2174 %90000110000000.44032.7825 %9.282266.1852 %
Difference-2-6.6412-1.0383 %+210000+199129150+7.1074+6.1220%+0.4661+1.1835 %

Known prime factors (1 factor, 29.3 bits, 0.00021679% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
13502417648116017929.27224
23 × 3
-885.324e-125.147e-61.047e-5

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2022-07-08nordisweet16_30.8b14300000300000
skipped known factor: 648116017
--0.2081.705%
2022-07-15nordisweet16_30.8b14300000210129150
skipped known factor: 648116017
--8.5327.443%


Trial Factoring results:
57585960616263646566676869
No TF results for M13502417


ECM factoring results:
No ECM results for M13502417


Lucas-Lehmer results:
No L-L results for M13502417


PRP results:
dateuseridcompidcofactorsres64
2022-08-16Poaooffice-CN3
648116017
62CEAD75F32A1ADA


CERT results:
dateuseridcompid
2022-08-16Team_InspectorHorn


P-1 factor-bounds graph:
B1 = 300000, B2 = 210129150 (P-1 stage 2)
B1 = 300000 (P-1 stage 1)
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TF factor-bounds graph:
this exponent TF target: 69
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00