is 2 332396777 - 1
has 100061401 decimal digits
takes 4,944.402 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
Actual278184.167062.8205 %251600094008000161.78155.5352 %345.948564.8785 %
Target2811,473.339564.1975 %1900000400000000508.79794.0319 %1,982.137465.6411 %
Difference-3-1,289.1725-1.3770 %+616000-305992000-347.0164+1.5032%-1,636.1889-0.7626 %

Known prime factors (1 factor, 89.5 bits, 0.00002692% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
3323967778723800741963368334123630072789.4951312257119443033639
2113 × 2287 × 94951 × 2859919
2021-01-07949512859919377,1755.29726.2770

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2021-01-07Simon Josefssoncto12516000940080001222789.495161.84.283%


Trial Factoring results:
57585960616263646566676869707172737475767778798081
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2023-10-18James HeinrichManual testing267268
2009-07-03unconnectedE5430-next2682690.180
2009-07-03unconnectedE5430-next2692700.360
2010-11-01Grant McCrackenWork-32702710.719
2011-05-05Christian GeschwentnerManual testing2712721.439
2013-01-24LaurVManual testing2722732.878
2015-06-12srow7Manual testing2732745.755
2015-06-15srow7Manual testing27427511.51
2016-07-25ktonyManual testing27527623.02
2016-07-25ktonyManual testing27627746.04
2016-07-25ktonyManual testing27727892.08


ECM factoring results:
No ECM results for M332396777


Lucas-Lehmer results:
No L-L results for M332396777


PRP results:
No PRP results for M332396777


CERT results:
No CERT results for M332396777


P-1 factor-bounds graph:
B1 = 2516000, B2 = 94008000 (P-1 stage 2)
B1 = 2516000 (P-1 stage 1)
103
104
105
106
107
103
104
105
106
107
108
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
JSON version of this page
Last modified: 2024-03-13T02:15:48+00:00