The question you've raised is a topic that belongs in the comparative religion section, however that section is currently closed and we're not taking any more threads for it. You're free to browse that section, as the answer has probably been covered there many times at some point in the past. You can also use the search function.
I'm going to move this to comparative religion, so you will find it locked.
You are most welcome however, to ask question about Islam itself.
In closing I leave you with the following brief information on Islam.