Find Factorial Value from Input Number

Source: var n; function calculatefactorial(n){ if(n==0){ return 1; }else{ return n*calculatefactorial(n-1); } } var number=prompt(“Enter a Numver: “,”1”); alert(calculatefactorial(number)); document.writeln(“Factorial of Your input (“+number+”) “+”is: “+calculatefactorial(number)); Download Complete Source Code

Check Prime Number From Start to End Number

Source: function isPrime(num){ var n=Math.sqrt(num); for(i=2;i<=n;i++){ if(num%i==0) return false; } return true; } function checkPrimeNumbers(startNum, endNum){ for(startNum; startNum<=endNum; startNum++){ if(isPrime(startNum)){ document.writeln(startNum+” “+”Is Prime”); document.writeln(“<br/>”); }else{ document.writeln(startNum+” ” +”Is not prime”); document.writeln(“<br/>”); } } } Download Complete Source Code

Check Prime Number

Source: function isPrime(num){ var n=Math.sqrt(num); for(i=2;i<=n;i++){ if(num%i==0) return false; } return true; } var number=prompt(“Enter for test”,”0″); if(number!=0 && number!=1){ if(isPrime(number)){ document.write(number+” “+”Is Prime”); }else{ document.write(number+” ” +”Is not prime”); } }else{ document.write(number+” ” +”Is not prime”); } Download Complete Source