is 2 11604487 - 1
has 3493299 decimal digits
takes 4.468 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
Actual2672.560664.1791 %500000150000000.72016.3061 %3.280766.4380 %
Target2685.136464.7059 %80000100000000.34642.9263 %5.482765.7387 %
Difference-1-2.5758-0.5268 %+420000+5000000+0.3738+3.3798%-2.2020+0.6993 %

Known prime factors (2 factors, 66.7 bits, 0.00057461% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
11604487185671793927.4688
23
-881.543e-124.466e-69.089e-6
116044876371327542491239.21327452
22 × 6863
2008-09-08468631.226e-80.00020.0004

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2021-09-14jocosumManual testing5000001500000022166.6810.7205.740%
2021-09-14jocosumManual testing5000001500000022166.6810.7205.740%


Trial Factoring results:
575859606162636465666768
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2008-09-08Will EdgingtonManual testing??
39.213
12


ECM factoring results:
No ECM results for M11604487


Lucas-Lehmer results:
No L-L results for M11604487


PRP results:
dateuseridcompidcofactorsres64
2021-09-21LaurVtrabi
185671793
637132754249
4C675C9F0BDEAFF2


CERT results:
dateuseridcompid
2021-09-21Simon Josefssoncto9


P-1 factor-bounds graph:
B1 = 500000, B2 = 15000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
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TF factor-bounds graph:
this exponent TF target: 68
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00