Euler 7 (for Jake)

primes.js

primecount=1;
i=3;

while(primecount < 10001)
{
    // console.log("looking at " + i);
    isprime = true;
	
    for (j=(Math.floor(Math.sqrt(i))); j > 1; j--) {
//    for (j=2; j < (Math.floor(Math.sqrt(i)) + 1); j++ ) {
       // console.log("looking at " + i + " " + j);
		if (i%j==0) { isprime = false; } 
    }   
  
    if (isprime) {
        lastprime=i;
        primecount++;
        //console.log(i + " is prime number " + primecount);
        }

    i+=2;

}


console.log(lastprime + " is the " + primecount + " prime number");