How to use 'prime number javascript' in JavaScript
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17 function 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 }