[see also: minimal]
This is the least useful of the four theorems.
The least such constant is called the norm of $G$.
The rank of appearance (or simply the rank) of an integer in the sequence $U(P)$ is the least positive integer $n$ such that ......
We select a system for which the power of $b$ dividing $n$ is least.
That is the least one can expect.
It does not matter in the least whether ......
Each $f$ lies in $zA$ for at least one $A$.
The degree of $F$ exceeds that of $G$ by at least 4.