is 2 54459739 - 1
has 16394015 decimal digits
takes 107.596 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
Actual2681.094561.7647 %----1.094561.7647 %
Target27335.124064.3836 %3600006000000010.33993.9251 %45.463965.7816 %
Difference-5-34.0295-2.6189 %-360000-60000000-10.3399-3.9251 %-44.3694-4.0169 %

Known prime factors (1 factor, 80.5 bits, 0.00014775% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5445973916687661781582040648849512580.46515321099667391025
3 × 52 × 53 × 263 × 571 × 1493 × 17191
2011-05-011493171915,065.60.00670.0087

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-05-01ixfd64tsbu-reg-acer-12580.4651.8330.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-08ANONYMOUSv4_computers212532.20000e-5
2000-03-01ANONYMOUSv4_computers212544.41000e-5
2000-05-31ANONYMOUSv4_computers212560.000
2001-08-31ANONYMOUSv4_computers212570.000
2002-09-14ANONYMOUSv4_computers212580.001
2004-03-08oerwinv4_computers212620.006
2008-06-27Corbyguymonaco2622630.018
2008-12-081997rj7Manual testing212640.036
2009-02-25glennpatLinux-22642650.069
2009-02-26glennpatLinux-22652660.137
2009-02-28glennpatLinux-22662670.274
2009-07-10GreyOwlTamlin2672680.549


ECM factoring results:
No ECM results for M54459739


Lucas-Lehmer results:
No L-L results for M54459739


PRP results:
No PRP results for M54459739


CERT results:
No CERT results for M54459739


P-1 factor-bounds graph:
102
103
104
102
103
104
105
TF factor-bounds graph:
268
267
266
265
264
263
262
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