is 2 2090511749 - 1
has 629306743 decimal digits
takes 322,577.577 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
Actual2630.000850.7937%----0.000850.7937%
Target28959,971.808065.1685%11000000300000000038,897.49884.2471%98,869.306766.6479%
Difference-26-59,971.8072-14.3749%-11000000-3000000000-38,897.4988-4.2471%-98,869.3060-15.8542%

Known prime factors (1 factor, 54.4 bits, 0.00000260% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
2090511749238108410196165431754.4025694979
31 × 183709
2014-08-21311837091.692e-62.24604.1826

P-1 results:
No P-1 results for M2090511749


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2019-06-3025425554.402175.43919e-7119,9131.13110e-6


ECM factoring results:
No ECM results for M2090511749


Lucas-Lehmer results:
No L-L results for M2090511749


PRP results:
No PRP results for M2090511749


P-1 factor-bounds graph:
100
101
102
100
101
102
103
104
105
106
TF factor-bounds graph:
263
255
this exponent TF target: 89
250
260
270
280
290
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Last modified: 2023-10-02T12:12:48+00:00