prime

/*
** @author: DeMorgan
*/


function isPrimeInterval(data) {
    var ret = [], counter = data.counter;

        for (var i = data.from; i <= data.to; i++) {


        }


}


function isPrime(n) {
    if(n<2)
        return false;

    if (n != Math.round(n))
        return false;

    if(n == 2 || n == 3 || n == 5 || n == 7  || n == 11  || n == 13 || n == 17 || n == 19 || n == 23 || n == 29 )
        return true;

    if(n%2 == 0 && n> 2)
        return false;

    var b = Math.sqrt(n);

    for(var i = 31; i <= b; i+=2) {
        if(n%i==0)
            return false;
    }


    return true;
}