is 256226553-1
has 16,925,880 decimal digits
takes 119.169 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
Actual2692.123362.3188%----2.123362.3188%0.0000%
PrimeNet2692.123362.3188%240,00010,000,0002.37175.3703%4.495167.6891%5.3703%
GPU7227334.020364.3836%400,00013,000,0003.33904.0615%37.359368.4450%4.0615%
Difference-4-31.8970-2.0647%-400,000-13,000,000-3.3390-4.0615%-35.2360-6.1262%-6.1262%

Known prime factors (1 factor, 126.7 bits, 0.00022527% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
5622655313462411459056799420966137375114766403939126.6621197157814303217149108014622123
7 × 5717 × 26371 × 29101 × 70051 × 104677 × 5316001
104,6775,316,0012011-08-203.164e+91.19431.6624

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2011-08-20T14:51:00DRHDRH11-134,624,114,590,568,000-209,661,373,751,147,64839126.662-238.3-nan%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-15T00:00:00ANONYMOUSv4_computers?253--2.13409e-5--
2000-01-19T00:00:00ANONYMOUSv4_computers?253--2.13409e-5--
2000-03-08T00:00:00ANONYMOUSv4_computers?254--4.26817e-5--
2000-06-11T00:00:00ANONYMOUSv4_computers?256--0.000--
2001-09-22T00:00:00ANONYMOUSv4_computers?257--0.000--
2002-09-14T00:00:00ANONYMOUSv4_computers?258--0.001--
2004-10-03T00:00:001997rj7v4_computers?260--0.001--
2008-07-08T00:02:00James HeinrichWHS263264--0.035--
2008-07-09T13:24:00Sturle Sundebruckner.ifi264265--0.066--
2008-07-09T22:28:00Sturle Sundevancraft.ifi265266--0.133--
2008-07-10T08:31:00Sturle Sundevancraft.ifi266267--0.266--
2010-01-21T15:26:00Helmut Zulusvibra267268--0.532--
2011-08-07T18:23:00ANONYMOUS268269--1.063--


ECM factoring results:
Exponent "56226553" not found


Lucas-Lehmer results:
Exponent "56226553" not found


PRP results:
Exponent "56226553" not found


P-1 factor-bounds graph:
TF factor-bounds graph:
269
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Last modified: 2011-08-20T14:51:29+00:00