Suppose, $m$ and $n$ are positive integers and $x=2^m$ and $y=10^n$.
Can $$(x-1)(y+1)+xy$$ be a Fermat-pseudoprime to base $2$ ?
For $m,n\le 200$, no such Fermat-pseudoprime exists.
Suppose, $m$ and $n$ are positive integers and $x=2^m$ and $y=10^n$.
Can $$(x-1)(y+1)+xy$$ be a Fermat-pseudoprime to base $2$ ?
For $m,n\le 200$, no such Fermat-pseudoprime exists.
Copyright © 2021 JogjaFile Inc.