Any prophet came to correct and make people remember that there is one God and to make the all people believe in Allah
Islam complete the other religions so no many different between Islam and other religions 
For more information you can find it in azhar website just ask them and they will tell you more [azhar sharif][١]

http://www.azhar.eg/en/fatwa

  [1]: http://www.azhar.eg/en/fatwa