is 2 88737421 - 1
has 26712626 decimal digits
takes 299.160 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2670.334959.7015%----0.334959.7015%0.0000%
PrimeNet2715.387661.9718%360000170000006.19165.4091%11.579164.0288%2.0570%
GPU7227586.230964.0000%600000200000008.09994.0501%94.330865.4580%1.4580%
Difference-8-85.8961-4.2985%-600000-20000000-8.0999-4.0501%-93.9959-5.7566%-5.7566%

Known prime factors (2 factors, 110.1 bits, 0.00012413% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
887374213667047301598711548.3822066235
3 × 5 × 139 × 991
2007-08-181399915.227e-70.00090.0014
8873742139198796297754148011961.76622086959400
23 × 32 × 52 × 11 × 181 × 6163
2016-05-3018161630.00400.00250.0031

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
88737421143743840189596852153053406965067134110.147
P-1 results:
No P-1 results for M88737421


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2016-05-30T15:07:00TJAOIManual testing261262*61.766190.000614.90.001


ECM factoring results:
No ECM results for M88737421


Lucas-Lehmer results:
No L-L results for M88737421


PRP results:
No PRP results for M88737421


P-1 factor-bounds graph:
101
102
103
101
102
103
104
TF factor-bounds graph:
267
262
240
250
260
270
280
290
2100
Last modified: 2016-05-30T15:07:00+00:00