is 2 332220181 - 1
has 100008240 decimal digits
takes 4,941.775 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
Actual278184.264962.8205 %----184.264962.8205 %
Target2811,474.122764.1975 %1900000400000000508.79794.0317 %1,982.920565.6410 %
Difference-3-1,289.8578-1.3770 %-1900000-400000000-508.7979-4.0317 %-1,798.6557-2.8205 %

Known prime factors (1 factor, 78.8 bits, 0.00002371% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
3322201815105441632682033769306792478.756768382224299919
34 × 521 × 937 × 4153 × 4679
2011-04-1641534679184.260.09020.1823

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-04-16TheJudgerManual testing2478.75620.010.000%


Trial Factoring results:
57585960616263646566676869707172737475767778798081
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2023-10-18James HeinrichManual testing267268
2008-12-10Team_Inspectorthumbelina2682690.180
2009-02-23Team_Inspectorspudboy22692700.360
2010-03-17Team_InspectorBush2702710.720
2010-03-19Team_InspectorBush2712721.440
2010-10-18Team_Inspectorthumbelina2722732.879
2010-11-19Team_InspectorBush2732745.758
2011-04-01Christian GeschwentnerManual testing27427511.52
2011-04-16TheJudgerManual testing27527623.03
2011-04-16TheJudgerManual testing27627746.07
2011-04-16TheJudgerManual testing27727892.13


ECM factoring results:
No ECM results for M332220181


Lucas-Lehmer results:
No L-L results for M332220181


PRP results:
No PRP results for M332220181


CERT results:
No CERT results for M332220181


P-1 factor-bounds graph:
102
103
104
102
103
104
TF factor-bounds graph:
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