Prime Factors PRO

With this application you can do a lot of thinks with mathematics:- You can find out if an integer is a prime number or not (and you have in fact no limit: you can do this for numbers until thousands og billions)- You can decompose into prime factors all the integers until 400 billions- You can find out gCD / gCF (Greatest Common Divisor / Factor), lCM (Least Common Multiple)- You can learn how to calculate gCD and lCM in very nice way.Your Math could be easy and nice.