primefactorial while

#!/usr/bin/env node
var fs = require('fs');
var outfile = "primes.txt";

var primes = new Array();
var i = 2;
var factor = function(n){
while (primes.length<100)
  {
		if (n%i !== 0 && i === n-1 ||n===2){
			primes.push(n);
     			 i = 2;
      			n++;
		}else if(n%i === 0){
     			 i = 2;
     			 n++;
		}else {
		i++;
}
}
};
factor(2);
console.log(primes + " ");
fs.writeFileSync(outfile, primes);