is 255785013-1
has 16,792,963 decimal digits
takes 118.233 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
Actual2681.068561.7647%----1.068561.7647%-0.5541%
PrimeNet2692.140162.3188%240,00010,000,0002.37175.3650%4.511967.6839%5.3650%
GPU7227334.289664.3836%360,00012,000,0003.05533.9372%37.344968.3207%3.9372%
Difference-5-33.2211-2.6189%-360,000-12,000,000-3.0553-3.9372%-36.2764-6.5560%-6.5560%

Known prime factors (1 factor, 136.7 bits, 0.00024508% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
5578501314324687655301426359649832966291459015884942136.7181283919003057454370374515550107648
211 × 3 × 7 × 181 × 983 × 3011 × 8363 × 18439 × 141209 × 2559079
141,2092,559,0792011-05-112.866e+90.83880.8832

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2011-05-11T08:47:00Patrik Johanssontheta-143,246,876,553,014,256-596,498,329,662,914,56042136.718-236.5-nan%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-15T00:00:00ANONYMOUSv4_computers?253--2.15098e-5--
2000-01-19T00:00:00ANONYMOUSv4_computers?253--2.15098e-5--
2000-03-01T00:00:00ANONYMOUSv4_computers?254--4.30195e-5--
2000-06-11T00:00:00ANONYMOUSv4_computers?256--0.000--
2001-09-30T00:00:00ANONYMOUSv4_computers?257--0.000--
2002-08-10T00:00:00ANONYMOUSv4_computers?258--0.001--
2008-10-27T00:27:001997rj7Manual testing?264--0.035--
2009-11-15T16:42:00Sturle Sundehindemith.ifi264265--0.067--
2010-01-31T19:18:00ANONYMOUStteemmpp265266--0.134--
2010-02-10T17:24:00mikaelal266267--0.268--
2010-02-19T08:52:00TwistedFate2kWebHost267268--0.536--


ECM factoring results:
Exponent "55785013" not found


Lucas-Lehmer results:
Exponent "55785013" not found


PRP results:
Exponent "55785013" not found


P-1 factor-bounds graph:
TF factor-bounds graph:
268
267
266
265
264
258
257
256
254
253
250
260
270
280
290
2100
2110
2120
2130
2140
Last modified: 2011-05-11T08:47:52+00:00