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Update isPrime.md

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Angelos Chalaris
2021-01-12 19:36:36 +02:00
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@ -11,7 +11,7 @@ Checks if the provided integer is a prime number.
```js ```js
const isPrime = num => { const isPrime = num => {
const boundary = Math.floor(Math.sqrt(num)); const boundary = Math.floor(Math.sqrt(num));
for (var i = 2; i <= boundary; i++) if (num % i === 0) return false; for (let i = 2; i <= boundary; i++) if (num % i === 0) return false;
return num >= 2; return num >= 2;
}; };
``` ```