How to use 'prime number javascript' in JavaScript

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17function isPrime(number) {
18 var i;
19 if (number === 2) {
20 return true;
21 }
22 if (number & 1) {
23 for (i = 3; i < Math.sqrt(number) + 1; i += 2) {
24 if ((number % i) === 0) return false;
25 }
26 return true
27 }
28
29 return false
30}
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