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  1. const smallestDivisor = (num) => {
  2.     // BEGIN
  3.   const iter = (acc) => {
  4.     // We use 'num / 2' in the condition below, and not 'num'.
  5.     // This is a simple optimization: a number cannot be divided
  6.     // by a number larger than its half.
  7.     if (acc > num / 2) {
  8.       return num;
  9.     }
  10.     if (num % acc === 0) {
  11.       return acc;
  12.     }
  13.     return iter(acc + 1);
  14.   };
  15.  
  16.   return iter(2);
  17.   // END
  18. };
Success #stdin #stdout 0.02s 10616KB
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https://ideone.com/fynakg
language:
JavaScript (SMonkey 60.2.3)
created:
5 years ago
visibility:
public

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