is 2 4023442307 - 1
has 1211176821 decimal digits
takes 1,009,399.716 GHz-days to do one PRP test
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2710.118854.9296%----0.118854.9296%
Target292249,282.598965.2174%200000006000000000125,796.06394.2383%375,078.662866.6916%
Difference-21-249,282.4801-10.2878%-20000000-6000000000-125,796.0639-4.2383%-375,078.5440-11.7620%

Known prime factors (1 factor, 50.3 bits, 0.00000125% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
402344230713796946952625991650.293171457
112 × 13 × 109
2013-09-061211214.589e-80.04400.0896

P-1 results:
No P-1 results for M4023442307


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2019-06-2925025150.293168.60970e-92,049,4600.135
2023-10-27VladimirLapinGTX108023127050.293160.0592,049,4600.135
2022-12-06slaurpalvi2-rtx270271--0.059--


ECM factoring results:
No ECM results for M4023442307


Lucas-Lehmer results:
No L-L results for M4023442307


PRP results:
No PRP results for M4023442307


P-1 factor-bounds graph:
101
102
103
101
102
103
TF factor-bounds graph:
271
270
251
this exponent TF target: 92
250
260
270
280
290
2100
JSON version of this page
Last modified: 2023-10-27T18:34:25+00:00