is 2 332288819 - 1
has 100028902 decimal digits
takes 4,942.796 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
Actual279368.454163.2911 %10000003000000055.64743.7422 %424.101564.6648 %
Target2811,473.818264.1975 %1900000400000000508.79794.0318 %1,982.616165.6410 %
Difference-2-1,105.3640-0.9064 %-900000-370000000-453.1505-0.2896 %-1,558.5145-0.9762 %

Known prime factors (1 factor, 79.7 bits, 0.00002399% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
33228881910043813459480082190290012579.7331511307766795500
22 × 32 × 53 × 22409 × 14987111
2020-09-122240914987111368.4518.06932.894

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2020-09-12XebecerManual testing10000003000000022579.73355.653.096%


Trial Factoring results:
57585960616263646566676869707172737475767778798081
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2023-10-18James HeinrichManual testing267268
2009-08-14Team_Inspectorspudboy22682690.180
2010-06-13SunfishServer012692700.360
2011-07-05Grant McCrackenJana-Laptop2702710.720
2012-01-04Grant McCrackenLauren-Laptop2712721.439
2013-01-05Team_InspectorBush2722732.879
2013-05-15krackerManual testing2732745.757
2013-09-20ktonyManual testing27427511.51
2014-12-30Jacques MOLNEManual testing27527623.03
2018-08-14Team_InspectorFishbeck27627746.06
2020-07-31Team_InspectorGPU72_TF27727892.11
2020-08-25el groccoGPU72_TF278279184.2


ECM factoring results:
No ECM results for M332288819


Lucas-Lehmer results:
No L-L results for M332288819


PRP results:
No PRP results for M332288819


CERT results:
No CERT results for M332288819


P-1 factor-bounds graph:
B1 = 1000000, B2 = 30000000 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
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105
106
103
104
105
106
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108
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
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Last modified: 2024-03-13T02:15:48+00:00