#### PowerMod Calculator

There are several ways to compute \(a^b \, \text{mod} \, n\). The most efficient method consists of:

**Step 1) **divide the exponent \(b\) into powers of 2 by writing it in binary, obtaining
\(b = (d_{k-1},d_{k-2},...,d_1,d_0\)).

**Step 2)**... (click here)