is 2 301000159 - 1
has 90610077 decimal digits
takes 3,762.502 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
Actual280813.509763.7500 %23900004799250088.35124.0705 %901.861065.2256 %
Target280813.509763.7500 %1800000350000000376.47254.2297 %1,189.982265.2833 %
Difference---+590000-302007500-288.1213-0.1592 %-288.1213-0.0577 %

Known prime factors (1 factor, 86.4 bits, 0.00002869% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
301000159998125886220579981654806472686.367165801554646451197
3 × 41 × 163 × 613 × 1499 × 8999819
2019-01-061499899981952,0658.913016.599

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2019-01-06Krieselfalcon23900004799250022686.36788.354.071%


Trial Factoring results:
575859606162636465666768697071727374757677787980
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
2010-02-12Rob_Deetwopc2642650.012
2014-01-05AJtoshiba2652660.025
2016-01-21Jacques MOLNEManual testing2662690.348
2016-10-28ConductorManual testing2692700.397
2019-01-01KrieselManual testing2702710.794
2019-01-01KrieselManual testing2712721.589
2019-01-01KrieselManual testing2722733.178
2019-01-01KrieselManual testing2732746.356
2019-01-01KrieselManual testing27427512.71
2019-01-01KrieselManual testing27527625.42
2019-01-01KrieselManual testing27627750.84
2019-01-01KrieselManual testing277278101.7
2019-01-01KrieselManual testing278279203.4
2019-01-01KrieselManual testing279280406.8


ECM factoring results:
No ECM results for M301000159


Lucas-Lehmer results:
No L-L results for M301000159


PRP results:
No PRP results for M301000159


CERT results:
No CERT results for M301000159


P-1 factor-bounds graph:
B1 = 2390000, B2 = 47992500 (P-1 stage 2)
B1 = 2390000 (P-1 stage 1)
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TF factor-bounds graph:
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this exponent TF target: 80
TF double-checked to: 67
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Last modified: 2024-03-13T02:15:48+00:00