is 2 4015042181 - 1
has 1208648131 decimal digits
takes 1,007,292.295 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
Actual2751.905857.3333%----1.905857.3333%
Target292249,804.138965.2174%200000006000000000125,796.06394.2375%375,600.202866.6913%
Difference-17-249,802.2331-7.8841%-20000000-6000000000-125,796.0639-4.2375%-375,598.2970-9.3580%

Known prime factors:
No known factors for M4015042181

P-1 results:
No P-1 results for M4015042181


Trial Factoring results:
No TF results for M4015042181


ECM factoring results:
No ECM results for M4015042181


Lucas-Lehmer results:
No L-L results for M4015042181


PRP results:
No PRP results for M4015042181


TF factor-bounds graph:
275
this exponent TF target: 92
250
260
270
280
290
2100
JSON version of this page
Last modified: 2023-10-02T12:12:48+00:00