is 254263899-1
has 16,335,062 decimal digits
takes 107.209 GHz-days to do one L-L test
Last-known PrimeNet details:
-unknown- L-L tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbabilityProb over default TF
Actual27217.623863.8889%----17.623863.8889%1.5700%
PrimeNet2692.200162.3188%240,00010,000,0002.21095.3466%4.411067.6654%5.3466%
GPU7227335.250864.3836%360,00012,000,0002.84813.9233%38.098968.3069%3.9233%
Difference-1-17.6270-0.4947%-360,000-12,000,000-2.8481-3.9233%-20.4751-4.4180%-4.4180%

Known prime factors (1 factor, 122.9 bits, 0.00022644% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
54263899975280230441836473630478370756198193737122.87589864555295025563278311273832
23 × 7 × 233 × 347 × 1031 × 1733 × 19157 × 46187 × 12554821
46,18712,554,8212011-08-093.004e+92.08473.6599

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2011-08-09T13:23:00kdgehmani5-2500k-975,280,230,441,836,416-630,478,370,756,198,14437122.875-214.4-nan%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-08T00:00:00ANONYMOUSv4_computers?253--2.21127e-5--
2000-01-12T00:00:00ANONYMOUSv4_computers?253--2.21127e-5--
2000-03-01T00:00:00ANONYMOUSv4_computers?254--4.42255e-5--
2000-05-31T00:00:00ANONYMOUSv4_computers?256--0.000--
2001-08-31T00:00:00ANONYMOUSv4_computers?257--0.000--
2002-08-31T00:00:00ANONYMOUSv4_computers?258--0.001--
2003-04-27T00:00:00oerwinv4_computers?259--0.001--
2003-12-13T00:00:00oerwinv4_computers?262--0.006--
2008-05-21T00:00:00ANONYMOUSv4_computers?263--0.018--
2008-06-13T00:00:00ANONYMOUSv4_computers?263--0.018--
2008-10-27T17:14:00ANONYMOUSManual testing?264--0.036--
2009-02-26T23:32:00Abraham264265--0.069--
2009-05-17T16:33:00riccardo ubertiNeoCrunchDuo265266--0.138--
2009-07-23T07:40:00mixofsamcaworley266267--0.275--
2009-07-26T05:14:00Huaiyu Wucore267268--0.551--
2011-03-29T16:39:00UngelovendeManual testing268269--1.102--
2011-07-31T14:56:00UgmMac269270--2.203--
2011-08-03T04:54:00kdgehmanManual testing270271--4.407--
2011-08-03T04:54:00kdgehmanManual testing271272--8.814--


ECM factoring results:
Exponent "54263899" not found


Lucas-Lehmer results:
Exponent "54263899" not found


PRP results:
Exponent "54263899" not found


P-1 factor-bounds graph:
TF factor-bounds graph:
272
271
270
269
268
267
266
265
264
263
262
259
258
257
256
254
253
250
260
270
280
290
2100
2110
2120
2130
Last modified: 2011-08-09T13:23:56+00:00