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Old 2013-04-02, 19:57   #1
ryanp's Avatar
Jun 2012
Boulder, CO

23·5·7 Posts
Default SNFS polynomial with very low yield


So I'm working on another SNFS for the OddPerfect project: 732541^47-1 ( I tried using the "obvious" degree-6 poly:

n: 6057169040...87
m: 732541^8
type: snfs
deg: 6
c6: 1
c0: -732541
Even using 3LP, or trying to sieve on both the algebraic and rational sides, I'm getting really poor yields. Most of the time, gnfs-lasieve4I16e (which is really lasieve5 that supports higher q values) spits out a bunch of spairs.out.* files that are empty.

Any ideas what I might be doing wrong? Is there a better polynomial I can use for this job?
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