is 252817951-1
has 15,899,788 decimal digits
takes 101.186 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
Actual2681.128561.7647%----1.128561.7647%-0.5541%
PrimeNet2692.260362.3188%220,00010,000,0002.09135.2675%4.351667.5863%5.2675%
GPU7227336.215864.3836%360,00012,000,0002.76173.9099%38.977568.2934%3.9099%
Difference-5-35.0873-2.6189%-360,000-12,000,000-2.7617-3.9099%-37.8490-6.5287%-6.5287%

Known prime factors (1 factor, 120.8 bits, 0.00022870% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
52817951230726926595306706783858846483420319137120.79621841715006637299010696083845
5 × 11 × 23 × 283 × 859 × 2339 × 45541 × 307399 × 2169109
307,3992,169,1092010-08-203.400e+91.13571.7378

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2010-08-20T12:15:001997rj7Manual testing-230,726,926,595,306,720-783,858,846,483,420,28837120.796-202.4-nan%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
1999-12-01T00:00:00ANONYMOUSv4_computers?253--2.27181e-5--
2000-01-04T00:00:00ANONYMOUSv4_computers?253--2.27181e-5--
2000-02-23T00:00:00ANONYMOUSv4_computers?254--4.54362e-5--
2000-05-10T00:00:00ANONYMOUSv4_computers?256--0.000--
2001-07-17T00:00:00ANONYMOUSv4_computers?257--0.000--
2002-05-25T00:00:00ANONYMOUSv4_computers?258--0.001--
2003-12-13T00:00:001997rj7v4_computers?259--0.001--
2004-03-26T00:00:001997rj7v4_computers?260--0.001--
2008-06-13T00:00:00ANONYMOUSv4_computers?263--0.019--
2008-11-29T04:43:00DerekManual testing?264--0.037--
2008-12-12T17:35:00For Researchm1_08264265--0.071--
2009-02-15T09:32:00SAHS Science DeptLab08265266--0.141--
2009-02-17T04:22:00tmorrowMoo3266267--0.283--
2009-04-25T00:29:00raymondfrtf021267268--0.566--


ECM factoring results:
Exponent "52817951" not found


Lucas-Lehmer results:
Exponent "52817951" not found


PRP results:
Exponent "52817951" not found


P-1 factor-bounds graph:
TF factor-bounds graph:
268
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Last modified: 2010-08-20T12:15:24+00:00