is 2 50714659 - 1
has 15266634 decimal digits
takes 92.906 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
Actual2670.585961.1940 %----0.585961.1940 %
Target27337.717864.3836 %340000550000008.81373.7930 %46.531565.7345 %
Difference-6-37.1319-3.1895 %-340000-55000000-8.8137-3.7930 %-45.9456-4.5405 %

Known prime factors (1 factor, 85.2 bits, 0.00016803% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
50714659449059585980375812648134012685.215442731544325651300
22 × 52 × 31 × 467 × 94483 × 3236743
2009-04-04944833236743281,5890.70570.8749

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2009-04-04Sturle Sundeeames.ifi2685.2155.1850.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-10-15ANONYMOUSv4_computers212532.37000e-5
2000-02-09ANONYMOUSv4_computers212544.73000e-5
2000-04-19ANONYMOUSv4_computers212560.000
2001-04-21ANONYMOUSv4_computers212570.000
2002-01-15ANONYMOUSv4_computers212580.001
2003-08-25ANONYMOUSv4_computers212590.001
2003-11-08ANONYMOUSv4_computers212600.002
2008-09-17DerekManual testing212640.037
2009-02-06helicompollux2642650.074
2009-02-08helicompollux2652660.147
2009-02-09helicompollux2662670.295


ECM factoring results:
No ECM results for M50714659


Lucas-Lehmer results:
No L-L results for M50714659


PRP results:
No PRP results for M50714659


CERT results:
No CERT results for M50714659


P-1 factor-bounds graph:
103
104
105
103
104
105
106
107
TF factor-bounds graph:
267
266
265
264
260
259
258
257
256
254
253
this exponent TF target: 73
TF double-checked to: 67
250
260
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280
290
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Last modified: 2024-03-13T02:15:48+00:00