is 2 11196881 - 1
has 3370598 decimal digits
takes 3.788 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
Actual2685.323364.7059%----5.323364.7059%
Target2685.323364.7059%80000152000000.44342.8768%5.766765.7212%
Difference----80000-15200000-0.4434-2.8768%-0.4434-1.0153%

Known prime factors (2 factors, 77.9 bits, 0.00069535% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
1119688127544327271031.359123
3 × 41		-3412.623e-112.487e-62.995e-6
11196881993702586488971446.4984437408
25 × 3 × 17 × 2719		2008-09-083227191.237e-68.752e-50.0001

1 Composite Factors:
P-1 results:
No P-1 results for M11196881


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08Will EdgingtonManual testing??46.498144.00132e-712.991.37182e-6
2021-06-05Team_InspectorPurple247260--0.014--
2021-06-05Team_InspectorPurple260261--0.014--
2021-06-05Team_InspectorPurple261262--0.027--
2021-06-05Team_InspectorPurple262263--0.088--
2021-06-05Team_InspectorPurple263264--0.175--
2021-06-05Team_InspectorPurple264265--0.334--
2021-06-06Team_InspectorPurple265266--0.667--
2021-08-02FlaukrotistManual testing266267--1.335--
2021-06-05Tucker KaoManual testing267268--2.670--


ECM factoring results:
No ECM results for M11196881


Lucas-Lehmer results:
No L-L results for M11196881


PRP results:
dateuseridcompidcofactorsres64PRP
2021-06-05Tucker KaoOld_Timer_2013
2754432727
99370258648897
CB7FF9F92F7299__no
2021-06-07LaurVtrabi
2754432727
99370258648897
CB7FF9F92F729914no


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
TF factor-bounds graph:
268
267
266
265
264
263
262
261
260
2
this exponent TF target: 68
TF double-checked to: 67.9
250
260
270
Last modified: 2023-07-11T14:45:05+00:00