is 2 2535866881 - 1
has 763371997 decimal digits
takes 391,298.348 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
Actual2680.023552.9412%----0.023552.9412%
Target29098,878.825464.4444%13000000400000000051,510.74354.2574%150,389.568965.9582%
Difference-22-98,878.8019-11.5033%-13000000-4000000000-51,510.7435-4.2574%-150,389.5454-13.0170%

Known prime factors (1 factor, 59.6 bits, 0.00000235% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
25358668818755603555990050311859.603172635315
3 × 5 × 11509021		2014-12-055115090214.434e-5140.30262.03

P-1 results:
No P-1 results for M2535866881


Trial Factoring results:
No TF results for M2535866881


ECM factoring results:
No ECM results for M2535866881


Lucas-Lehmer results:
No L-L results for M2535866881


PRP results:
No PRP results for M2535866881


P-1 factor-bounds graph:
100
101
100
101
102
103
104
105
106
107
108
TF factor-bounds graph:
268
this exponent TF target: 90
250
260
270
280
290
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Last modified: 2023-10-02T12:12:48+00:00