A one-script Prime Detector. Finally it works! This is my third attempt. Detecting a very big number can take some time. (i.e. numbers bigger than 1.5 million) Phosphorus link: http://phosphorus.github.io/app.html? id=138148889&turbo=false&full-screen=true (runs 20x faster but no factors)
December 30 - Initial release December 30 - Added progress bar. April 11- added 2 decimal places only.