is 2 1322011 - 1
has 397965 decimal digits
takes 0.042 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
Actual26722.476368.6567 %500000150000000.05934.8733 %22.535670.1842 %
Target2600.116265.0000 %55002000000.00070.9770 %0.116965.3419 %
Difference+7+22.3601+3.6567 %+494500+14800000+0.0585+3.8963%+22.4187+4.8422 %

Known prime factors (2 factors, 132.4 bits, 0.01001433% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
13220114733989189911238.784179045
5 × 35809
-5358094.859e-88.988e-50.0002
1322011150762081070104031520545352812993.6065701997981488203635240
23 × 5 × 7 × 11 × 133 × 67 × 223 × 4201 × 13424989
2015-01-224201134249892.529e+90.03380.0628

1 Composite Factors:
P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2015-01-22alpertronManual testing500000150000001222993.6060.0599.351%


Trial Factoring results:
5758596061626364656667
No TF results for M1322011


ECM factoring results:
Total ECM effort:20.961 GHz-days
Estimated T-Level:25.707
DigitsB1CompleteFacMiss
201100014.7690.000%
25500001.66118.986%
302500000.14186.808%
3510000000.01099.018%


ECM Summary

B1B2factorcurvesGHz-days
5000050000002549.83
250000350000005011.14


Lucas-Lehmer results:
No L-L results for M1322011


PRP results:
dateuseridcompidcofactorsres64
2017-09-30Oliver KruseGTX-3
473398918991
15076208107010403152054535281
1EB7A1A4532238AD
2017-10-05Oliver KruseManual testing
473398918991
15076208107010403152054535281
1EB7A1A4532238AD
2017-10-23kkmrkkblmbrbkc4.xlarge
473398918991
15076208107010403152054535281
1EB7A1A4532238AD


CERT results:
No CERT results for M1322011


P-1 factor-bounds graph:
B1 = 500000, B2 = 15000000 (P-1 stage 2)
B1 = 500000 (P-1 stage 1)
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108
TF factor-bounds graph:
this exponent TF target: 60
TF double-checked to: 67
ECM T-Level=25.71 ~= 69-bit
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Last modified: 2024-03-13T02:15:48+00:00