March 8th, 2024
What's missing in this code?
function isPrime(num)
if (num <= 1) return false;
if (num <= 3) return true;
if (num % 2 === 0 || num %
=== 0) return false;
let i = 5;
while (i *
<= num)
if (num % i === 0 || num % (i +
) === 0) return false;
i += 6;
}
return true;
}
// Example usage
console.log(isPrime(121)); // Output: False
console.log(isPrime(13)); // Output: True
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