is 2 90918869 - 1
has 27369307 decimal digits
takes 329.328 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
Actual2670.326859.7015%----0.326859.7015%0.0000%
PrimeNet2715.258361.9718%400000180000007.13725.5509%12.395564.0827%2.1109%
GPU7227584.161964.0000%600000200000008.70284.0621%92.864765.4624%1.4624%
Difference-8-83.8351-4.2985%-600000-20000000-8.7028-4.0621%-92.5379-5.7609%-5.7609%

Known prime factors (2 factors, 79.0 bits, 0.00008686% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
90918869252754455831134.557139
139		2007-08-2211392.593e-114.474e-57.454e-5
90918869234816162966311444.417129135
3 × 5 × 8609		2007-08-22586095.030e-80.00250.0046

1 Composite Factors:
exponentprime factorscomposite factordigitsbits*
909188695935083149063828267308732478.974
P-1 results:
No P-1 results for M90918869


Trial Factoring results:
No TF results for M90918869


ECM factoring results:
No ECM results for M90918869


Lucas-Lehmer results:
No L-L results for M90918869


PRP results:
No PRP results for M90918869


P-1 factor-bounds graph:
100
101
100
101
102
103
104
TF factor-bounds graph:
267
230
240
250
260
270
280
290
2100
Last modified: 2007-08-22T15:16:00+00:00