4. Sum Of Primes

Write a program to determine the sum of the first 1000 prime numbers.

by Donal Devine

HTML

<div id="divConsole"></div>

CSS

.console-output
{
    font-family: monospace;
    margin: 1px;
}

JavaScript

console = {
    log: function (s) {        
        divConsole.innerHTML += 
            "<p class=\"console-output\">" + s + "</p>";
    }
};

var isPrime = function(n) {  
    var sn = Math.sqrt(n);
    for(var i = 2;  i <= sn;  i++) {
        if(n % i === 0) return false;
    }
    return true;
};

var foo = function(m){
	var t = 0;
	var c = 0;
	var i = 0;
    
	while(c <= m){
		i++;
		if(isPrime(i)){
			c++;
			t+=i;
		}
	} 

	return t;
};
//3682913
console.log(foo(1000));