is 2 10588931 - 1
has 3187586 decimal digits
takes 3.459 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
factored, 0 PRP tests remaining
ResidueStatus
L-LCB9EFD8CADC2AE41double-checked
PRP6EA6F74DF612C8A9PRP-tested

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2672.806164.1791 %1000004500000.05642.2722 %2.862564.9930 %
Target2685.629064.7059 %7000085000000.25072.7084 %5.879765.6618 %
Difference-1-2.8228-0.5268 %+30000-8050000-0.1943-0.4362 %-3.0172-0.6688 %

Known prime factors (1 factor, 78.5 bits, 0.00074088% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
105889314133150095038081465565672478.45219516370892576793
93241 × 122167 × 1713319
2013-01-23122167171331911,2780.09890.1178

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2000-06-28ANONYMOUSv4_computers100000450000--0.0562.010%
2000-09-29ANONYMOUSv4_computers155000155000--0.0731.354%
2013-01-23NesowaOutback2478.4520.1470.000%


Trial Factoring results:
575859606162636465666768
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-10-29ANONYMOUSv4_computers212640.185


ECM factoring results:
No ECM results for M10588931


Lucas-Lehmer results:
dateuseridcompidres64spent (GHz-days)
2000-11-05ANONYMOUSv4_computersCB9EFD8CADC2AE413.459
2004-03-26pgnnv4_computersCB9EFD8CADC2AE413.459


PRP results:
dateuseridcompidcofactorsres64
2020-10-21Oliver KruseIOS-5
413315009503808146556567
6EA6F74DF612C8A9


CERT results:
dateuseridcompid
2020-10-21Kevin JagetEeyore


P-1 factor-bounds graph:
B1 = 155000 (P-1 stage 1)
B1 = 100000, B2 = 450000 (P-1 stage 2)
B1 = 100000 (P-1 stage 1)
104
105
106
104
105
106
107
TF factor-bounds graph:
264
this exponent TF target: 68
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00