is 2 333889291 - 1
has 100510692 decimal digits
takes 4,966.603 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
Actual279366.688063.2911 %3965000396500085.52012.4777 %452.208164.2007 %
Target2811,466.753564.1975 %2000000400000000510.83734.0586 %1,977.590865.6506 %
Difference-2-1,100.0655-0.9064 %+1965000-396035000-425.3172-1.5808 %-1,525.3827-1.4499 %

Known prime factors (1 factor, 84.1 bits, 0.00002520% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
333889291211266343542247694877168892684.12731637184725138084
22 × 35327 × 464557 × 481939
2020-06-1446455748193911,73410.04020.392

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2020-06-14Sigurdsigurd953965000396500012684.12785.522.033%


Trial Factoring results:
57585960616263646566676869707172737475767778798081
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-11-09Architects Cubedm1_332652660.022
2012-05-05LaurVManual testing2662690.313
2016-02-19Jacques MOLNEManual testing2692700.358
2016-02-19Jacques MOLNEManual testing2702710.716
2016-02-19Jacques MOLNEManual testing2712721.432
2019-07-23David HruskaManual testing2722732.865
2020-02-01moroquendoManual testing2732745.730
2020-02-01moroquendoManual testing27427511.46
2020-02-01moroquendoManual testing27527622.92
2020-02-01moroquendoManual testing27627745.84
2020-02-01moroquendoManual testing27727891.67
2020-02-01moroquendoManual testing278279183.3


ECM factoring results:
No ECM results for M333889291


Lucas-Lehmer results:
No L-L results for M333889291


PRP results:
No PRP results for M333889291


CERT results:
No CERT results for M333889291


P-1 factor-bounds graph:
B1 = 3965000 (P-1 stage 1)
104
105
106
107
104
105
106
107
TF factor-bounds graph:
279
278
277
276
275
274
273
272
271
270
269
266
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