is 2 56248337 - 1
has 16932437 decimal digits
takes 119.215 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
Actual2670.528361.1940 %----0.528361.1940 %
Target27334.007164.3836 %4000006500000012.04574.0617 %46.052865.8302 %
Difference-6-33.4789-3.1895 %-400000-65000000-12.0457-4.0617 %-45.5245-4.6362 %

Known prime factors (1 factor, 44.5 bits, 0.00007912% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
56248337249540122266811444.504221820
22 × 3 × 5 × 3697
1999-12-15536974.221e-80.00060.0012

P-1 results:
No P-1 results for M56248337


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-15ANONYMOUSv4_computers??
44.504
14


ECM factoring results:
No ECM results for M56248337


Lucas-Lehmer results:
No L-L results for M56248337


PRP results:
No PRP results for M56248337


CERT results:
No CERT results for M56248337


P-1 factor-bounds graph:
100
101
100
101
102
103
104
TF factor-bounds graph:
this exponent TF target: 73
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00