is 2 54037453 - 1
has 16266895 decimal digits
takes 106.761 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
Actual2718.847263.3803 %----8.847263.3803 %
Target27335.398564.3836 %3600006000000010.33993.9213 %45.738465.7802 %
Difference-2-26.5513-1.0033 %-360000-60000000-10.3399-3.9213 %-36.8912-2.3999 %

Known prime factors (1 factor, 71.7 bits, 0.00013271% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5403745338673046949102768946412271.71235783558256440
23 × 5 × 372 × 241 × 2711459
2012-06-141369271145917.3910.42690.7904

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2012-06-14JaxonManual testing2271.7122.4590.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-01ANONYMOUSv4_computers212532.22000e-5
2000-03-01ANONYMOUSv4_computers212544.44000e-5
2000-05-24ANONYMOUSv4_computers212560.000
2001-08-18ANONYMOUSv4_computers212570.000
2002-08-24ANONYMOUSv4_computers212580.001
2003-07-21oerwinv4_computers212620.006
2008-11-031997rj7Manual testing212640.035
2008-12-23MylesHVAC2642650.069
2009-01-01Geoff WingC2652660.138
2009-01-01Sturle Sundenouchcraft.ifi2662670.277
2009-07-09Ton van der WoudenMachteld2672680.553
2011-03-28UngelovendeManual testing2682691.106
2011-05-14GrunwalderGIMPcompute-0-32692702.213
2011-09-18XyzzyManual testing2702714.425


ECM factoring results:
No ECM results for M54037453


Lucas-Lehmer results:
No L-L results for M54037453


PRP results:
No PRP results for M54037453


CERT results:
No CERT results for M54037453


P-1 factor-bounds graph:
102
103
104
102
103
104
105
106
107
TF factor-bounds graph:
271
270
269
268
267
266
265
264
262
258
257
256
254
253
this exponent TF target: 73
TF double-checked to: 67
250
260
270
280
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Last modified: 2024-03-13T02:15:48+00:00