#7240: factorization of Cunningham numbers - applications
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Reporter: ylchapuy | Owner: tbd
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-4.3.1
Component: algebra | Keywords:
Work_issues: | Author: Yann Laigle-Chapuy
Upstream: N/A | Reviewer: John Cremona
Merged: |
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Comment(by ylchapuy):
In fact if the patch from #7239 is applied, but the database not
installed, `_factor_cunningham` will just be the usual factor, with the
first time it's called a warning (not an error) saying:
"You might consider installing the optional package for factoring
Cunningham numbers with the following command: ``sage -i
cunningham_tables-1.0``"
Moreover this warning will only be seen if the characteristic is `p \in
{2,3,5,7,11}` and `p^k > 2^100`. I thought it was nice to tell the user
that there exists an optional package useful for them, but I can remove it
if necessary.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7240#comment:5>
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