Created
March 18, 2015 13:07
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Fine next prime number
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| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> | |
| <html xmlns="http://www.w3.org/1999/xhtml"> | |
| <head runat="server"> | |
| <title>Find Next Prime Number</title> | |
| <script type="text/javascript" src="JsFiles/JScript.js"></script> | |
| <script type="text/javascript"> | |
| function checkPrime() | |
| { | |
| var id = document.getElementById("num"); | |
| var number = parseInt (document.getElementById("num").value); | |
| var maxNum = parseInt(1299827); | |
| if(number < maxNum && !isNaN(number)) | |
| { | |
| for(var i = number+1; i< maxNum; i++) | |
| { | |
| if(isPrime(i)) | |
| { | |
| id.value = i; | |
| return; | |
| } | |
| else | |
| { | |
| continue; | |
| } | |
| } | |
| } | |
| else | |
| { | |
| window.alert("Plase Enter Number Below 1299827 or Enter A Valid Integer"); | |
| id.value = ""; | |
| } | |
| } | |
| function isPrime(num) | |
| { | |
| for(var i = 2; i < num; i++ ) | |
| { | |
| if(num % i === 0) | |
| { | |
| return false; | |
| } | |
| } | |
| return true; | |
| } | |
| </script> | |
| </head> | |
| <body> | |
| <form id="form1" runat="server"> | |
| <div> | |
| <input type="text" id="num" /> | |
| <button id="btn" onclick="checkPrime();return false"> | |
| Click To Get Next Prime Number</button> | |
| </div> | |
| </form> | |
| </body> | |
| </html> |
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