# Untitled

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May 6th, 2017
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1. "use strict";
2.
3. // This will return the smallest commmon multiple of two numbers.
4. function smallMultiple(a, b, iterate) {
5.     if (iterate === 0) {
6.         iterate = 1;
7.     } else {
8.         iterate = (iterate / a) + 1;
9.     }
10.
11.     while (a * iterate % b !== 0) {
12.         console.log(iterate);
13.         iterate++;
14.     }
15.
16.     return a * iterate;
17. }
18.
19. function smallestCommons(arr) {
20.
21.     // making sure array is arranged from smallest to largest.
22.     arr = arr.sort(function(a,b) {
23.         return a - b;
24.     });
25.     // creating an array containing all the numbers that need to be checked against.
26.     var range = [];
27.     for (var i = 1; i < arr[1] + 1; i++) {
28.         range.push(i);
29.     }
30.
31.     // sorting array in descending order.
32.     range.sort(function(a,b) {
33.         return b - a;
34.     });
35.
36.     // finding a multiple of the first two numbers and checking it against
37.     // the next numnbers. Continuing until a multiple is found that matches
38.     // all of the numbers in range.
39.     var noCheck = 0;
40.     while (true) {
41.         var check = smallMultiple(range[0], range[1], noCheck);
42.
43.         for (var n = 2; n < range.length; n ++) {
44.             if (check % range[n] === 0 && n == range.length -1) {
45.                 console.log(check);
46.                 return check;
47.             } else if (check % range[n] !== 0) {
48.                 noCheck = check;
49.                 break;
50.             }
51.         }
52.     }
53. }
54.
55.
56. smallestCommons([18,23]);