is 2 333011377 - 1
has 100246414 decimal digits
takes 4,953.544 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
Actual278183.827162.8205 %1000000100000021.56881.6334 %205.395863.4278 %
Target2811,470.620364.1975 %1900000400000000508.79794.0328 %1,979.418265.6414 %
Difference-3-1,286.7932-1.3770 %-900000-399000000-487.2291-2.3994 %-1,774.0224-2.2136 %

Known prime factors (1 factor, 81.4 bits, 0.00002443% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
33301137731170079046532450034053772581.3664680032154957344
25 × 557 × 3163 × 5381 × 15427
2020-12-215381154271,470.60.12790.2362

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2020-12-21XebecerManual testing1000000100000012581.36621.571.163%


Trial Factoring results:
57585960616263646566676869707172737475767778798081
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-09-08Architects Cubeda3_bu22642650.011
2010-11-03Architects Cubedm1_482652660.022
2011-11-29laleraManual testing2662670.045
2011-11-29laleraManual testing2672680.090
2011-12-08laleraManual testing2682690.180
2011-12-08laleraManual testing2692700.359
2011-12-08laleraManual testing2702710.718
2013-01-13LaurVManual testing2712721.436
2016-05-22Carsten KossendeyManual testing2722732.872
2017-01-03Carsten KossendeyManual testing2732745.745
2019-12-26ViliamFManual testing27427511.49
2020-02-26David HruskaManual testing27527622.98
2020-05-20KrieselManual testing27627745.96
2020-05-20KrieselManual testing27727891.91


ECM factoring results:
No ECM results for M333011377


Lucas-Lehmer results:
No L-L results for M333011377


PRP results:
No PRP results for M333011377


CERT results:
No CERT results for M333011377


P-1 factor-bounds graph:
B1 = 1000000 (P-1 stage 1)
102
103
104
105
106
102
103
104
105
106
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
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00