is 2 332261557 - 1
has 100020696 decimal digits
takes 4,942.391 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
Actual2811,473.939164.1975 %----1,473.939164.1975 %
Target2811,473.939164.1975 %1900000400000000508.79794.0318 %1,982.737065.6410 %
Difference----1900000-400000000-508.7979-4.0318 %-508.7979-1.4435 %

Known prime factors (1 factor, 80.2 bits, 0.00002412% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
33226155713484803084899208196236812580.1582029245153525120
27 × 3 × 5 × 41 × 112643 × 228847
2016-05-20112643228847736.972.56614.9446

P-1 results:
No P-1 results for M332261557


Trial Factoring results:
57585960616263646566676869707172737475767778798081
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2023-10-18James HeinrichManual testing267268
2009-05-17Team_InspectorBush2682690.180
2009-10-12Team_InspectorBush2692700.360
2011-01-31kurlykk2702710.720
2011-05-30Grant McCrackenLauren-Laptop2712721.439
2011-06-18Team_InspectorBush2722732.879
2011-06-29Christian GeschwentnerManual testing2732745.758
2011-07-05Sebastian HornbostelManual testing27427511.52
2015-01-23Team_InspectorFishbeck27527623.03
2015-08-30srow7Manual testing27627746.06
2016-05-20dh1Manual testing27727892.12
2016-05-20dh1Manual testing278279184.2
2016-05-20dh1Manual testing279280368.5
2016-05-20dh1Manual testing280281
80.158
25
20.01


ECM factoring results:
No ECM results for M332261557


Lucas-Lehmer results:
No L-L results for M332261557


PRP results:
No PRP results for M332261557


CERT results:
No CERT results for M332261557


P-1 factor-bounds graph:
104
105
106
104
105
106
TF factor-bounds graph:
281
280
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