is 2 300000641 - 1
has 90309192 decimal digits
takes 3,750.008 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
Actual277102.027062.3377 %12000000240000000442.65007.7282 %544.677065.2483 %
Target280816.220163.7500 %1800000350000000376.47254.2281 %1,192.692665.2827 %
Difference-3-714.1931-1.4123 %+10200000-110000000+66.1775+3.5000%-648.0156-0.0344 %

Known prime factors (1 factor, 79.9 bits, 0.00002663% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
30000064111242042715442501641218312579.8951873669782499315
5 × 2647 × 8999 × 15731671
2015-06-02899915731671408.1115.68929.015

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2015-06-02Craig MeyersManual testing120000002400000001222579.895442.76.159%


Trial Factoring results:
575859606162636465666768697071727374757677787980
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2023-10-18James HeinrichManual testing267268
2009-04-03unconnectedgreece-dualE53102682690.199
2009-04-03unconnectedgreece-dualE53102692700.399
2009-04-27unconnectedManual testing2702710.797
2009-04-27unconnectedManual testing2712721.594
2009-04-27unconnectedManual testing2722733.188
2009-05-15unconnectedwinxp-E46002732746.377
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 M300000641


Lucas-Lehmer results:
No L-L results for M300000641


PRP results:
No PRP results for M300000641


CERT results:
No CERT results for M300000641


P-1 factor-bounds graph:
B1 = 12000000, B2 = 240000000 (P-1 stage 2)
B1 = 12000000 (P-1 stage 1)
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TF factor-bounds graph:
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268
this exponent TF target: 80
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00