anon-recursion.js

Number.prototype.isCoprimeTo = function(num) {
 
  if (this>num) var small = num, big = this;
  else var small = this, big = num; 
 
    return (function(a, b) {
        if (b == 0) return a;
        return arguments.callee(b, a % b);
    })(small, big) == 1
}
 
 
 
//======example two=======
 
function isCoprimeTo(num1, num2){
 
  if (num1>num2) var small = num2, big = num1;
  else var small = num1, big = num2;
 
  return (function gcd(a,b){
    if (b == 0) return a;
    return gcd(b, a % b);
  })(small,big) == 1
}
 
//===tests==
var myNum = 35;
console.log(myNum.isCoprimeTo(64) == true)
console.log(isCoprimeTo(64,35) == true