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
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2670.106056.7164 %----0.106056.7164 %
Target280873.916763.7500 %1700000325000000334.51254.1138 %1,208.429365.2413 %
Difference-13-873.8107-7.0336 %-1700000-325000000-334.5125-4.1138 %-1,208.3232-8.5248 %

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:
P-1 results:
No P-1 results for M280194379


Trial Factoring results:
575859606162636465666768697071727374757677787980
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2011-09-13OS1L7??
64.428
20
0.003
2010-04-05carlos56xp102622630.004
2010-05-19Architects Cubedm1_772632640.007
2022-08-05TJAOIManual testing267268*
67.444
21
0.047


ECM factoring results:
No ECM results for M280194379


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


PRP results:
No PRP results for M280194379


CERT results:
No CERT results for M280194379


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
TF factor-bounds graph:
264
263
this exponent TF target: 80
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00