is 2 37534463 - 1
has 11299000 decimal digits
takes 48.482 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
Actual2670.791661.1940 %----0.791661.1940 %
Target27112.737063.3803 %280000450000005.08774.1801 %17.824864.9110 %
Difference-4-11.9454-2.1863 %-280000-45000000-5.0877-4.1801 %-17.0331-3.7170 %

Known prime factors (1 factor, 70.6 bits, 0.00018809% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
3753446317879303475843336109932270.59923817182992392
23 × 3 × 19 × 107 × 571 × 854881
2009-02-2257185488112.3400.08820.1629

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2009-02-22ghulokzaq1232270.5992.1940.000%


Trial Factoring results:
575859606162636465666768697071
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2006-05-29Ahmed Charlesv4_computers212670.398


ECM factoring results:
No ECM results for M37534463


Lucas-Lehmer results:
No L-L results for M37534463


PRP results:
No PRP results for M37534463


CERT results:
No CERT results for M37534463


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
TF factor-bounds graph:
267
this exponent TF target: 71
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00