is 2 332271167 - 1
has 100023588 decimal digits
takes 4,942.534 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
Actual27792.118062.3377 %1000001000002.15690.5690 %94.274962.5520 %
Target2811,473.896564.1975 %1900000400000000508.79794.0318 %1,982.694365.6410 %
Difference-4-1,381.7784-1.8599 %-1800000-399900000-506.6410-3.4627 %-1,888.4194-3.0890 %

Known prime factors (1 factor, 80.7 bits, 0.00002429% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
33227116719785241862403439490425432580.7112977273357938313
7 × 19 × 29 × 43 × 281 × 5261 × 12143
2019-03-13526112143736.950.12160.2309

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-03-13MadPooManual testing10000010000012580.7112.5010.317%


Trial Factoring results:
57585960616263646566676869707172737475767778798081
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2023-10-18James HeinrichManual testing267268
2009-06-21Team_InspectorBush2682690.180
2009-12-31Team_Inspectorthumbelina2692700.360
2011-05-06Grant McCrackenwork-i52702710.720
2011-09-02Grant McCrackenLauren-Laptop2712721.439
2011-11-13Team_InspectorBush2722732.879
2012-07-31Team_Inspectorspudboy22732745.757
2013-01-12LaurVManual testing27427511.51
2014-02-20Team_InspectorFishbeck27527623.03
2014-06-30Team_InspectorAngelou27627746.06


ECM factoring results:
No ECM results for M332271167


Lucas-Lehmer results:
No L-L results for M332271167


PRP results:
No PRP results for M332271167


CERT results:
No CERT results for M332271167


P-1 factor-bounds graph:
B1 = 100000 (P-1 stage 1)
102
103
104
105
102
103
104
105
TF factor-bounds graph:
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