is 2 54219449 - 1
has 16321681 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
Actual2718.817563.3803%----8.817563.3803%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-2-26.4622-1.0033%-360000-12000000-2.8481-3.9229%-29.3103-2.4005%-2.4005%

Known prime factors (1 factor, 71.3 bits, 0.00013156% known):
Remaining cofactor is PRP status unknown

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
5421944929750762677605454350492271.33327435508130676
22 × 3 × 37 × 1697 × 2963 × 12289
2011-12-2129631228911.5210.00990.0173

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2011-12-21T15:08:00Patrik Johanssonmu2271.333-214.2-0.000%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
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--
2008-05-10T00:00:00ANONYMOUSv4_computers21263--0.029--
2008-12-15T00:25:001997rj7Manual testing21264--0.066--
2008-12-24T21:50:00AlJomar264265--0.069--
2009-01-05T12:45:00SMoffatJosh265266--0.138--
2009-01-11T10:31:00SMoffatJosh266267--0.276--
2009-05-09T03:04:00Johannes WeingartnerWaynemachine_V_02267268--0.551--
2011-04-05T02:09:00lindedW892386P9GV-aldridga268269--1.103--
2011-07-22T20:19:00TheJudgerManual testing269270--2.205--
2011-09-08T01:46:00XyzzyManual testing270271--4.410--


ECM factoring results:
No ECM results for M54219449


Lucas-Lehmer results:
No L-L results for M54219449


PRP results:
No PRP results for M54219449


P-1 factor-bounds graph:
102
103
104
102
103
104
105
TF factor-bounds graph:
271
270
269
268
267
266
265
264
263
262
259
258
257
256
254
253
250
260
270
280
290
2100
Last modified: 2011-12-21T15:08:05+00:00