is 253223017-1
has 16,021,725 decimal digits
takes 101.962 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
Actual2681.119961.7647%635,00019,050,0004.55097.2952%5.670869.0599%6.7410%
PrimeNet2692.243162.3188%240,00010,000,0002.14385.3337%4.386967.6525%5.3337%
GPU7227335.940264.3836%360,00012,000,0002.76173.9137%38.701868.2972%3.9137%
Difference-5-34.8203-2.6189%+275,000+7,050,000+1.7893+3.3815%-33.0310+0.7626%+0.7626%

Known prime factors (1 factor, 128.6 bits, 0.00024163% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
5322301751741514531200230094486585147638845271939128.6054860821261898797478399860829727
17 × 23 × 131 × 181 × 1123 × 12437 × 99497 × 126611 × 2979931
126,6112,979,9312010-10-042.680e+90.78350.8423

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2010-10-04T23:57:00James Heinrichi7-920635,00019,050,00039128.6054.551203.99.1027.295%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-08T00:00:00ANONYMOUSv4_computers?253--2.25452e-5--
2000-01-12T00:00:00ANONYMOUSv4_computers?253--2.25452e-5--
2000-03-01T00:00:00ANONYMOUSv4_computers?254--4.50904e-5--
2000-05-17T00:00:00ANONYMOUSv4_computers?256--0.000--
2001-07-29T00:00:00ANONYMOUSv4_computers?257--0.000--
2002-06-23T00:00:00ANONYMOUSv4_computers?258--0.001--
2004-04-20T00:00:001997rj7v4_computers?260--0.001--
2008-10-14T00:10:00ANONYMOUSManual testing?264--0.037--
2008-12-17T09:21:00ANONYMOUSC977D69A1264265--0.070--
2008-12-18T08:56:00ANONYMOUSC977D69A1265266--0.140--
2008-12-19T08:38:00ANONYMOUSC977D69A1266267--0.281--
2009-04-30T20:49:00Gymnasium_Raublingc5267268--0.562--


ECM factoring results:
Exponent "53223017" not found


Lucas-Lehmer results:
Exponent "53223017" not found


PRP results:
Exponent "53223017" not found


P-1 factor-bounds graph:
B1 = 635,000, B2 = 19,050,000 (stage 2)
B1 = 635,000 (stage 1)
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104
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108
TF factor-bounds graph:
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253
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Last modified: 2010-10-04T23:57:46+00:00