is 2 280194379 - 1
has 84346913 decimal digits
takes 3,346.766 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2670.106056.7164%----0.106056.7164%0.0000%
PrimeNet27654.619261.8421%11000006500000079.34815.5811%133.967363.9717%2.1296%
GPU72280873.916763.7500%17000006500000089.17364.1138%963.090465.2413%1.4913%
Difference-13-873.8107-7.0336%-1700000-65000000-89.1736-4.1138%-962.9843-8.5248%-8.5248%

Known prime factors (2 factors, 131.9 bits, 0.00004706% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
280194379248154584768139419032064.42844282577269
7 × 733 × 1669 × 5171
2011-09-13166951710.01850.03220.0588
2801943792008017263146703815692167.444358325757696
28 × 3 × 3371 × 138407
2022-08-0533711384070.19280.18580.2439

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
280194379498298690143426030269484321603600798580740131.872
P-1 results:
No P-1 results for M280194379


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2011-09-13T17:06:00OS1L7??64.428200.0066,8660.012
2010-04-05T00:40:00carlos56xp10262263--0.004--
2010-05-19T04:40:00Architects Cubedm1_77263264--0.007--
TF assumed completed to 67 but no detailed record exists
2022-08-05T09:30:00TJAOIManual testing267268*67.444210.0876,8660.178


ECM factoring results:
No ECM results for M280194379


Lucas-Lehmer results:
No L-L results for M280194379


PRP results:
No PRP results for M280194379


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
TF factor-bounds graph:
268
267
264
263
2
250
260
270
280
290
2100
Last modified: 2022-08-05T09:30:00+00:00