is 2 11940869 - 1
has 3594560 decimal digits
takes 4.597 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
Actual2672.488464.1791 %40000042845985013.24279.9251 %15.731267.7344 %
Target2684.991764.7059 %80000100000000.34642.9389 %5.338065.7431 %
Difference-1-2.5032-0.5268 %+320000+418459850+12.8964+6.9862%+10.3931+1.9912 %

Known prime factors (2 factors, 127.0 bits, 0.00106345% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
119408693640532140731238.40515244
22 × 37 × 103
-371033.985e-92.266e-54.204e-5
119408694624901059920094835846958972788.58019365847912409452092
22 × 32 × 281 × 12143 × 139547 × 1129747
2021-11-2113954711297476,763,2400.10800.1585

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2021-11-19nordisweet16400000400000
skipped known factor: 364053214073
--0.2232.139%
2021-11-21nordisweet164000001200000022788.5800.5765.392%
2023-05-19nordisweet16_30.8b14400000428459850
skipped known factor: 364053214073
skipped known factor: 462490105992009483584695897
--16.479.121%


Trial Factoring results:
575859606162636465666768
No TF results for M11940869


ECM factoring results:
No ECM results for M11940869


Lucas-Lehmer results:
No L-L results for M11940869


PRP results:
dateuseridcompidcofactorsres64
2021-12-06LaurVZero818
364053214073
462490105992009483584695897
16DA6F99EAB8A3AF


CERT results:
dateuseridcompid
2021-12-06curtiscwcm210--18l


P-1 factor-bounds graph:
B1 = 400000, B2 = 428459850 (P-1 stage 2)
B1 = 400000, B2 = 12000000 (P-1 stage 2)
B1 = 400000 (P-1 stage 1)
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TF factor-bounds graph:
this exponent TF target: 68
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00