is 2 333008017 - 1
has 100245402 decimal digits
takes 4,953.494 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
Actual278183.828962.8205 %10000003000000055.64744.1085 %239.476364.3480 %
Target2811,470.635264.1975 %1900000400000000508.79794.0328 %1,979.433065.6414 %
Difference-3-1,286.8062-1.3770 %-900000-370000000-453.1505+0.0757%-1,739.9567-1.2933 %

Known prime factors (1 factor, 89.2 bits, 0.00002679% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
3330080177140199296702514068424632892789.2061072076186187210332
22 × 43 × 67 × 151 × 369409 × 1667777
2020-12-083694091667777376,4839.493416.216

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2020-12-08adamgmManual testing10000003000000022789.20655.653.097%


Trial Factoring results:
57585960616263646566676869707172737475767778798081
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-09-08Architects Cubeda3_bu22642650.011
2010-11-02Architects Cubedm1_752652660.022
2011-11-28laleraManual testing2662670.045
2011-11-29laleraManual testing2672680.090
2011-12-04laleraManual testing2682690.180
2011-12-04laleraManual testing2692700.359
2011-12-04laleraManual testing2702710.718
2013-01-13LaurVManual testing2712721.436
2013-06-23Greg Lawlerorange-core2722732.872
2013-07-08Greg Lawlerorange-core2732745.745
2013-07-15Greg Lawlerorange-core27427511.49
2013-09-24Preben SManual testing27527622.98
2020-05-19KrieselManual testing27627745.96
2020-05-19KrieselManual testing27727891.91


ECM factoring results:
No ECM results for M333008017


Lucas-Lehmer results:
No L-L results for M333008017


PRP results:
No PRP results for M333008017


CERT results:
No CERT results for M333008017


P-1 factor-bounds graph:
B1 = 1000000, B2 = 30000000 (P-1 stage 2)
B1 = 1000000 (P-1 stage 1)
104
105
106
104
105
106
107
108
TF factor-bounds graph:
278
277
276
275
274
273
272
271
270
269
268
267
266
265
this exponent TF target: 81
TF double-checked to: 67
250
260
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Last modified: 2024-03-13T02:15:48+00:00