"hello world!" from prime numbers in JavaScript (formatted)

gistfile1.txt

function greet() {
return 
m=-2,
r=5,
x=1311298913,
y=6610866907,
z=Math.pow(r+m,r+m),
l=[]+[],
g=l+greet,
(x*z*r*-m+l+y*(z*r+-m*r)).match(/\d{2}/g).map(function(e){
m=-m;
return this[e/r+m];
},
g.replace(/[^^-{ !]/g,l).split(l).sort().filter(function(e,i,a){
return a.indexOf(e,++i)===-1;
}).join(l)).join(l);
}