is 2 54007493 - 1
has 16257876 decimal digits
takes 106.702 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
Actual2681.103661.7647 %----1.103661.7647 %
Target27335.418164.3836 %3600006000000010.33993.9210 %45.758065.7801 %
Difference-5-34.3145-2.6189 %-360000-60000000-10.3399-3.9210 %-44.6544-4.0154 %

Known prime factors (1 factor, 80.6 bits, 0.00014927% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5400749318553383875135140735027692580.61817176675720844088
23 × 32 × 19 × 449 × 44623 × 626683
2011-06-03446236266838,526.20.21870.2602

P-1 results:
dateusercompB1B2BSstagefactordigitsbits*GHz-daysFac Prob
2011-06-03Eric ChristensonEric-AMD-6-core2580.6181.8620.000%


Trial Factoring results:
5758596061626364656667686970717273
 BitsFactor
dateuseridcompidfromtofactorbits*digitsGHz-days
1999-12-01ANONYMOUSv4_computers212532.22000e-5
2000-03-01ANONYMOUSv4_computers212544.44000e-5
2000-04-05ANONYMOUSv4_computers212560.000
2001-08-18ANONYMOUSv4_computers212570.000
2002-08-17ANONYMOUSv4_computers212580.001
2003-05-04oerwinv4_computers212610.003
2003-06-17oerwinv4_computers212620.006
2008-10-27ANONYMOUSManual testing212640.035
2009-02-23Genesis_1_1AMD-be23002642650.069
2009-02-25Genesis_1_1AMD-be23002652660.138
2009-03-01Genesis_1_1AMD-be23002662670.277
2009-05-07SAHS Physics Clubphysicsclub82672680.553


ECM factoring results:
No ECM results for M54007493


Lucas-Lehmer results:
No L-L results for M54007493


PRP results:
No PRP results for M54007493


CERT results:
No CERT results for M54007493


P-1 factor-bounds graph:
103
104
105
103
104
105
106
TF factor-bounds graph:
268
267
266
265
264
262
261
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