is 2 57959047 - 1
has 17447412 decimal digits
takes 122.841 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
Actual27333.003464.3836 %----33.003464.3836 %
Target27333.003464.3836 %4000006500000012.04574.0770 %45.049065.8356 %
Difference----400000-65000000-12.0457-4.0770 %-12.0457-1.4521 %

Known prime factors (1 factor, 82.9 bits, 0.00014301% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5795904789385055841376881978941212582.88677110529303023980
22 × 3 × 5 × 46219 × 104281 × 266647
2012-12-0610428126664721,9470.34770.6522

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2012-12-06Jerry HallettDn12582.8862.6430.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-23ANONYMOUSv4_computers212532.07000e-5
2000-03-08ANONYMOUSv4_computers212544.14000e-5
2000-06-23ANONYMOUSv4_computers212560.000
2001-09-30ANONYMOUSv4_computers212570.000
2002-11-24ANONYMOUSv4_computers212580.001
2003-11-08Team Prime Ribv4_computers212600.001
2022-06-29LordJuliusManual testing260263
2009-01-11Mor Ben-Ephraim2632640.034
2009-03-13Aldo CorsaPolifemo2642650.064
2009-03-15Aldo CorsaPolifemo2652660.129
2009-03-15chrisrogersbigblue2662670.258
2009-07-31Per Jessenbeaufort12672680.516
2011-04-29David Barleyold_ken2682691.031
2011-06-19Eric LandquistAffinity82692702.063
2011-10-07phoenicisManual testing27027212.38
2012-09-09kdgehmanManual testing27227316.50


ECM factoring results:
No ECM results for M57959047


Lucas-Lehmer results:
No L-L results for M57959047


PRP results:
No PRP results for M57959047


CERT results:
No CERT results for M57959047


P-1 factor-bounds graph:
104
105
106
104
105
106
TF factor-bounds graph:
273
272
270
269
268
267
266
265
264
263
260
258
257
256
254
253
this exponent TF target: 73
TF double-checked to: 67
250
260
270
280
290
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Last modified: 2024-03-13T02:15:48+00:00