Prime Wave Town
\[P_w(x)=\Sigma_{p}^{2, 3, 5}{\cos\left(\frac{2\pi x}{p}\right)}\]

Prime Number is ...
2
3
5
Residue class.m=\( \small(30n+m) \)
\(\small+1\)
\(\small+7\)
\(\small+11\)
\(\small+13\)
\(\small+17\)
\(\small+19\)
\(\small+23\)
\(\small+29\)