Sum of first 1000 primes

by LyndseyB

HTML

3682913

JavaScript

var arr = [1], i = 1, total = 0;
while(arr.length <= 1000) {
    ++i;    
    if(isPrime(i)) {        
        arr.push(i);
        total+=i;
    }
}

function isPrime(n) {
    var x;
    for(x=2;x<n;x++) {
        if(n % x === 0) {
            return false;
        }
    }
    return true;
}

console.log(total);