is 2 332317511 - 1
has 100037539 decimal digits
takes 4,943.223 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
Actual27646.052361.8421 %3170000317000068.37293.0798 %114.425363.0173 %
Target2811,473.690964.1975 %1900000400000000508.79794.0318 %1,982.488865.6410 %
Difference-5-1,427.6386-2.3554 %+1270000-396830000-440.4250-0.9520 %-1,868.0635-2.6237 %

Known prime factors (1 factor, 81.1 bits, 0.00002440% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
33231751125412457692003534928100312581.0723823520706978865
5 × 14533 × 24551 × 2143231
2016-03-242455121432311,473.73.01924.7040

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2016-03-24Dennis Schreiberz8003170000317000012581.07268.371.871%


Trial Factoring results:
57585960616263646566676869707172737475767778798081
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2023-10-18James HeinrichManual testing267268
2009-08-31Team_Inspectorthumbelina2682690.180
2010-10-02SunfishServer012692700.360
2011-06-15Grant McCrackenwork-i52702710.720
2011-08-14Grant McCrackenwork-i52712721.439
2011-08-16Grant McCrackenwork-i52722732.878
2013-10-05Team_InspectorFishbeck2732745.757
2015-02-24Team_InspectorSpudBoy327427511.51
2016-01-19Team_InspectorSpudBoy327527623.03


ECM factoring results:
No ECM results for M332317511


Lucas-Lehmer results:
No L-L results for M332317511


PRP results:
No PRP results for M332317511


CERT results:
No CERT results for M332317511


P-1 factor-bounds graph:
B1 = 3170000 (P-1 stage 1)
103
104
105
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107
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104
105
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107
TF factor-bounds graph:
276
275
274
273
272
271
270
269
268
this exponent TF target: 81
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00