is 2 4004213041 - 1
has 1205388235 decimal digits
takes 1,004,575.485 GHz-days to do one PRP test
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2751.911057.3333%----1.911057.3333%
Target292250,479.718465.2174%200000006000000000125,796.06394.2364%376,275.782366.6909%
Difference-17-250,477.8074-7.8841%-20000000-6000000000-125,796.0639-4.2364%-376,273.8713-9.3576%

Known prime factors:
No known factors for M4004213041

P-1 results:
No P-1 results for M4004213041


Trial Factoring results:
No TF results for M4004213041


ECM factoring results:
No ECM results for M4004213041


Lucas-Lehmer results:
No L-L results for M4004213041


PRP results:
No PRP results for M4004213041


TF factor-bounds graph:
275
this exponent TF target: 92
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Last modified: 2023-10-02T12:12:48+00:00