is 2 332199391 - 1
has 100001982 decimal digits
takes 4,941.466 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
Actual279368.553363.2911 %----368.553363.2911 %
Target2811,474.214964.1975 %1900000400000000508.79794.0317 %1,983.012865.6410 %
Difference-2-1,105.6616-0.9064 %-1900000-400000000-508.7979-4.0317 %-1,614.4595-2.3498 %

Known prime factors (1 factor, 87.8 bits, 0.00002642% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
3321993912656526221716351137004656572787.780399839116760504708
22 × 7 × 1973 × 1239223 × 5840509
2011-12-021239223584050994,35032.13654.397

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-12-02HardyP Germanyws-HP-Z800_3.6GHz2787.780148.90.000%


Trial Factoring results:
57585960616263646566676869707172737475767778798081
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2023-10-18James HeinrichManual testing267268
2008-11-02Team_Inspectorthumbelina2682690.180
2008-11-02Team_Inspectorthumbelina2692700.360
2009-01-05zetagridcookingstation2702710.720
2009-01-05zetagridcookingstation2712721.440
2009-01-07zetagridcookingstation2722732.879
2009-01-12zetagridcookingstation2732745.759
2009-01-18zetagridcookingstation27427511.52
2010-10-05amphoriaManual testing27527623.03
2010-10-05amphoriaManual testing27627746.07
2010-10-05amphoriaManual testing27727892.14
2010-10-05amphoriaManual testing278279184.3


ECM factoring results:
No ECM results for M332199391


Lucas-Lehmer results:
No L-L results for M332199391


PRP results:
No PRP results for M332199391


CERT results:
No CERT results for M332199391


P-1 factor-bounds graph:
105
106
107
105
106
107
TF factor-bounds graph:
279
278
277
276
275
274
273
272
271
270
269
268
this exponent TF target: 81
TF double-checked to: 67
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00