is 2 37145569 - 1
has 11181931 decimal digits
takes 47.980 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
Actual2670.799961.1940 %----0.799961.1940 %
Target27112.870463.3803 %260000400000004.54214.0365 %17.412564.8584 %
Difference-4-12.0705-2.1863 %-260000-40000000-4.5421-4.0365 %-16.6126-3.6644 %

Known prime factors (1 factor, 67.5 bits, 0.00018161% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
371455692028934829298788674312167.4592731059025235
5 × 163 × 41539 × 80671
2009-06-2341539806710.92100.08180.1583

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2009-06-23elcraigo2167.4590.8780.000%


Trial Factoring results:
575859606162636465666768697071
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2006-04-14ANONYMOUSv4_computers212670.402


ECM factoring results:
No ECM results for M37145569


Lucas-Lehmer results:
No L-L results for M37145569


PRP results:
No PRP results for M37145569


CERT results:
No CERT results for M37145569


P-1 factor-bounds graph:
103
104
105
103
104
105
TF factor-bounds graph:
267
this exponent TF target: 71
TF double-checked to: 67
250
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Last modified: 2024-03-13T02:15:48+00:00