is 2 83536231 - 1
has 25146912 decimal digits
takes 260.674 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
Actual2670.355759.7015%----0.355759.7015%0.0000%
PrimeNet2715.723061.9718%360000170000005.73105.3699%11.454064.0139%2.0421%
GPU7227591.599964.0000%550000190000007.03693.9357%98.636765.4169%1.4169%
Difference-8-91.2442-4.2985%-550000-19000000-7.0369-3.9357%-98.2810-5.7154%-5.7154%

Known prime factors (1 factor, 34.7 bits, 0.00004151% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
83536231273998837691134.673164
22 × 41
2007-08-134412.837e-112.722e-53.683e-5

P-1 results:
No P-1 results for M83536231


Trial Factoring results:
No TF results for M83536231


ECM factoring results:
No ECM results for M83536231


Lucas-Lehmer results:
No L-L results for M83536231


PRP results:
No PRP results for M83536231


P-1 factor-bounds graph:
100
101
100
101
102
TF factor-bounds graph:
267
230
240
250
260
270
280
290
2100
Last modified: 2007-08-13T10:27:16+00:00