is 2 54219439 - 1
has 16321678 decimal digits
takes 107.121 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
-unknown- primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual2670.548061.1940%----0.548061.1940%0.0000%
PrimeNet2692.201962.3188%240000100000002.21095.3460%4.412864.3333%2.0145%
GPU7227335.279764.3836%360000120000002.84813.9229%38.127865.7808%1.3972%
Difference-6-34.7316-3.1895%-360000-12000000-2.8481-3.9229%-37.5797-4.5867%-4.5867%

Known prime factors (1 factor, 62.5 bits, 0.00011521% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5421943963604935595957005371962.46458655103012
22 × 32 × 11 × 593 × 249779
2008-05-115932497790.02480.04060.0728

P-1 results:
No P-1 results for M54219439


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-05-10T00:00:00ANONYMOUSv4_computers??62.464190.013220.40.028
1999-12-08T00:00:00ANONYMOUSv4_computers21253--2.21309e-5--
2000-01-12T00:00:00ANONYMOUSv4_computers21253--2.21309e-5--
2000-03-01T00:00:00ANONYMOUSv4_computers21254--4.42617e-5--
2000-05-31T00:00:00ANONYMOUSv4_computers21256--0.000--
2001-08-26T00:00:00ANONYMOUSv4_computers21257--0.000--
2002-08-31T00:00:00ANONYMOUSv4_computers21258--0.001--
2003-04-27T00:00:00oerwinv4_computers21259--0.001--
2003-11-28T00:00:00oerwinv4_computers21262--0.011--


ECM factoring results:
No ECM results for M54219439


Lucas-Lehmer results:
No L-L results for M54219439


PRP results:
No PRP results for M54219439


P-1 factor-bounds graph:
101
102
103
101
102
103
104
105
106
TF factor-bounds graph:
267
262
259
258
257
256
254
253
2
250
260
270
280
290
2100
Last modified: 2008-05-11T04:06:21+00:00