is 2 18309737 - 1
has 5511781 decimal digits
takes 11.138 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
Actual2671.622862.6866 %----1.622862.6866 %
Target2696.520463.7681 %130000180000000.97353.4619 %7.493965.0224 %
Difference-2-4.8976-1.0815 %-130000-18000000-0.9735-3.4619 %-5.8710-2.3358 %

Known prime factors (1 factor, 57.1 bits, 0.00031162% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
183097371498145713616286891857.0564091117512
23 × 431 × 1186519
2001-10-2543111865190.00130.05740.1065

P-1 results:
No P-1 results for M18309737


Trial Factoring results:
57585960616263646566676869
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2001-10-25Net_Forcev4_computers??
57.056
18


ECM factoring results:
No ECM results for M18309737


Lucas-Lehmer results:
No L-L results for M18309737


PRP results:
No PRP results for M18309737


CERT results:
No CERT results for M18309737


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
107
TF factor-bounds graph:
this exponent TF target: 69
TF double-checked to: 67
250
260
270
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Last modified: 2024-03-13T02:15:48+00:00