libzahl

big integer library
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commit 63bc4e141d2f28fcd11187413966235151a92c84
parent 076e4e3284039e1229bc7f99232e415cdc44711d
Author: Mattias Andrée <maandree@kth.se>
Date:   Mon, 25 Jul 2016 01:33:10 +0200

Alternative solution for [20] Fast primality test with bounded perfection

Signed-off-by: Mattias Andrée <maandree@kth.se>

Diffstat:
doc/exercises.tex | 9+++++++++
1 file changed, 9 insertions(+), 0 deletions(-)

diff --git a/doc/exercises.tex b/doc/exercises.tex @@ -467,6 +467,15 @@ For input, larger than our limit, that passes the test, we can run it through \texttt{zptest} to reduce the number of false positives. +As an alternative solution, instead of comparing against +known pseudoprimes. Find a minimal set of primes that +includes divisors for all known pseudoprimes, and do +trail division with these primes when a number passes +the test. No pseudoprime need to have more than one divisor +included in the set, so this set cannot be larger than +the set of pseudoprimes. + + \end{enumerate}