JavaScript Source Code 2002: Calculators: Prime Number

Home Calculators Prime Number

Enter a number and JavaScript can instantly tell you if it is a prime number or not. I wish I had this little gem to help me in my math classes years ago!

JavaScript Source Code 2002: Calculator: Prime Number
Simply click inside the window below, use your cursor to highlight the script, and copy (type Control-c or Apple-c) the script into a new file in your text editor (such as Note Pad or Simple Text) and save (Control-s or Apple-s). The script is yours!!!

  <SCRIPT LANGUAGE="JavaScript"> <! > <! >  </SCRIPT> </HEAD>  <center> <form name=form> <h2>Prime Number Calculator</h2><p> Please enter a number:<br> <input type=text name=number size=7> <input type=button value="Calculate" onClick="calculate(this.form)"> <P> <input type=text name=result size=45 value=""> </form> </center>