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Number Theory Fermat pseudoprimes

princeps

New member
Mar 1, 2012
3
Does exist Fermat pseudoprime $n$ such that $n$ is a pseudoprime for all odd bases in interval :

$\left [3~,~2\cdot \left \lfloor \frac{\sqrt[3]n}{2} \right \rfloor +1 \right]$