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- <!DOCTYPE html>
- <html>
- <head>
- <script>
- function isPrime($n)
- {
- $i=2;
- if ($n==2){
- return true;
- }
- $sqrtN = sqrt($n);
- while ($i<= $sqrtN){
- if ($n % $i ==0){
- return false;
- }
- $i++;
- }
- return true;
- }
- </script>
- </head>
- <body>
- Value: <input type="number" id="n"><br>
- <input type="submit" value="Send" onclick="isPrime(n)">
- </form>
- <p id="derp">sdvfsdg</p>
- <script>
- document.getElementById("derp").innerHTML = isPrime(n);
- </script>
- </body>
- </html>
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