is 2 261168067 - 1
has 78619423 decimal digits
takes 2,974.414 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
Actual2670.113858.2090%----0.113858.2090%0.0000%
PrimeNet27658.598363.1579%10000006500000074.09615.4780%132.694465.1761%2.0182%
GPU72280937.582365.0000%16000006500000083.46464.0518%1,021.046966.4181%1.4181%
Difference-13-937.4685-6.7910%-1600000-65000000-83.4646-4.0518%-1,020.9331-8.2092%-8.2092%

Known prime factors (4 factors, 231.0 bits, 0.00008843% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
261168067400177382341431445.18676613
23 × 3331
2008-01-282333312.841e-80.00340.0056
261168067818285691861716231756.183156658833
33 × 109 × 53231
2015-03-16109532316.757e-50.04960.0895
26116806751088281840084086811962.1489780729020
22 × 5 × 61 × 8016991
2016-07-046180169910.00587.214013.472
2611680672009219667307048617832167.445384660286073
7 × 409 × 4733 × 28387
2022-08-054733283870.13440.09940.1591

11 Composite Factors:
exponentprime factorscomposite factordigitsbits*
261168067327459426176667590720655632408931101.369
26116806720444374895086064588146441179538333107.333
261168067804044267011853577038573530645696934112.631
26116806741804810051539560097839557878905926336118.331
2611680671644115705564515584365300657913178380938123.629
261168067102647580642022482478694600215988233822340129.593
2611680671672933945570580252528225013222340685761379701660950163.517
26116806765793791931924110400039870489641791139885729839068
7
51168.814
26116806741077240125005399682070612084671503305556729892547
889
53174.779
26116806783995046543588676922078596892490447380628893283010
845929
56185.776
26116806733612917855459894356898712864175458029791841476720
78843509097100353847
70230.962
P-1 results:
No P-1 results for M261168067


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2015-03-16T12:10:00TJAOIManual testing256257*56.183173.08126e-56,1086.32691e-5
2022-07-04T01:49:34LordJuliusManual testing2126245.186142.84084e-86,1085.83324e-8
2022-07-04T01:49:34LordJuliusManual testing2126256.183176.75682e-56,1080.000
2016-07-04T16:33:07TJAOIManual testing262263*62.148190.0036,1080.007
TF assumed completed to 67 but no detailed record exists
2022-08-05T09:32:55TJAOIManual testing267268*67.445210.0216,1070.042


ECM factoring results:
No ECM results for M261168067


Lucas-Lehmer results:
No L-L results for M261168067


PRP results:
No PRP results for M261168067


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
107
TF factor-bounds graph:
268
267
263
262
257
240
250
260
270
280
290
2100
Last modified: 2022-08-05T09:32:55+00:00