is 2 300000917 - 1
has 90309275 decimal digits
takes 3,750.011 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
Actual277102.026962.3377 %----102.026962.3377 %
Target280816.219463.7500 %1800000350000000376.47254.2281 %1,192.691965.2827 %
Difference-3-714.1925-1.4123 %-1800000-350000000-376.4725-4.2281 %-1,090.6650-2.9450 %

Known prime factors (1 factor, 78.7 bits, 0.00002624% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
3000009174976692927086196309616472478.720829446285840219
33 × 19 × 23 × 8737 × 8046013
2013-10-0287378046013204.058.095214.840

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2013-10-02James Heinrich3930K2478.720133.40.000%


Trial Factoring results:
575859606162636465666768697071727374757677787980
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2023-10-18James HeinrichManual testing267268
2009-04-04unconnectedgreece-dualE53102682690.199
2009-04-04unconnectedgreece-dualE53102692700.399
2009-04-27unconnectedManual testing2702710.797
2009-04-27unconnectedManual testing2712721.594
2009-04-27unconnectedManual testing2722733.188
2009-05-02unconnectedX3220-12732746.377
2013-05-27James HeinrichManual testing27427512.75
2013-05-31James HeinrichManual testing27527625.51
2013-06-25James HeinrichManual testing27627751.01


ECM factoring results:
No ECM results for M300000917


Lucas-Lehmer results:
No L-L results for M300000917


PRP results:
No PRP results for M300000917


CERT results:
No CERT results for M300000917


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
107
TF factor-bounds graph:
277
276
275
274
273
272
271
270
269
268
this exponent TF target: 80
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00