is 251767587-1
has 15,583,597 decimal digits
takes 99.173 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
Actual2681.151461.7647%----1.151461.7647%-0.5541%
PrimeNet2692.306262.3188%220,0009,000,0001.93995.1543%4.246167.4732%5.1543%
GPU7227336.950664.3836%340,00011,000,0002.55783.8030%39.508468.1866%3.8030%
Difference-5-35.7992-2.6189%-340,000-11,000,000-2.5578-3.8030%-38.3570-6.4219%-6.4219%

Known prime factors (1 factor, 131.7 bits, 0.00025432% known):
Remaining cofactor is PRP status unknown

GHz-days
exponentfactordigitsbits*kmin B1min B2date foundmin. TFmin. P-1normal P-1
51767587428754621275666574894703820577792915432140131.65541411493766907328990889977214680
23 × 33 × 5 × 6829 × 9461 × 54623 × 74159 × 82591 × 1773907
82,5911,773,9072010-03-313.704e+90.48540.5014

P-1 results:
 GHz-DaysworthFactor
probability
dateuseridcompidb1b2estagefactordigitsbits*spentsaved
2010-03-31T09:40:00Sid & AndyEmperor_Zurg-428,754,621,275,666,560-894,703,820,577,792,89640131.655-198.3-nan%


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2000-02-16T00:00:00ANONYMOUSv4_computers?254--4.63581e-5--
2000-04-27T00:00:00ANONYMOUSv4_computers?256--0.000--
2001-05-27T00:00:00ANONYMOUSv4_computers?257--0.000--
2002-03-16T00:00:00ANONYMOUSv4_computers?258--0.001--
2003-11-28T00:00:00ANONYMOUSv4_computers?260--0.001--
2009-02-01T02:11:00borkencodeC2F70236C263264--0.038--
2009-02-02T09:13:00borkencodeC2F70236C264265--0.072--
2009-02-04T04:27:00borkencodeC2F70236C265266--0.144--
2009-02-05T23:20:00borkencodeC2F70236C266267--0.289--
2009-06-20T01:39:00tmorrowteapot267268--0.577--


ECM factoring results:
Exponent "51767587" not found


Lucas-Lehmer results:
Exponent "51767587" not found


PRP results:
Exponent "51767587" not found


P-1 factor-bounds graph:
TF factor-bounds graph:
268
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Last modified: 2010-03-31T09:40:35+00:00