is 2 333001547 - 1
has 100243455 decimal digits
takes 4,953.398 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
Actual2835,882.656565.0602 %10000000250000000497.71754.8889 %6,380.374066.7684 %
Target2811,470.663764.1975 %1900000400000000508.79794.0328 %1,979.461665.6414 %
Difference+2+4,411.9928+0.8627 %+8100000-150000000-11.0804+0.8561%+4,400.9124+1.1271 %

Known prime factors (1 factor, 84.1 bits, 0.00002526% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
333001547208262169457575664034647932684.10731270450743217668
22 × 3 × 17 × 2758631 × 55566157
2020-06-3027586315556615711,765121.56121.96

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2020-06-30Runtime ErrorManual testing100000002500000001222684.107497.75.723%


Trial Factoring results:
575859606162636465666768697071727374757677787980818283
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-11-02Architects Cubedm1_032652660.022
2011-04-13rduerrManual testing2662690.314
2011-04-13rduerrManual testing2692700.359
2011-11-29laleraManual testing2702710.718
2013-01-12LaurVManual testing2712721.436
2016-04-13Carsten KossendeyManual testing2722732.872
2017-01-02Carsten KossendeyManual testing2732745.745
2018-11-24mikrManual testing27427511.49
2018-11-24mikrManual testing27527622.98
2019-03-18mikrManual testing27627745.96
2020-05-14KrieselManual testing27727891.92
2020-06-30Runtime ErrorManual testing278279183.8
2020-06-30Runtime ErrorManual testing279280367.7
2020-06-30Runtime ErrorManual testing280281735.3
2020-06-30Runtime ErrorManual testing2812821,471
2020-06-30Runtime ErrorManual testing2822832,941


ECM factoring results:
No ECM results for M333001547


Lucas-Lehmer results:
No L-L results for M333001547


PRP results:
No PRP results for M333001547


CERT results:
No CERT results for M333001547


P-1 factor-bounds graph:
B1 = 10000000, B2 = 250000000 (P-1 stage 2)
B1 = 10000000 (P-1 stage 1)
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TF factor-bounds graph:
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this exponent TF target: 81
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00