If you are interested in reading detailed information about each of the major religions of the world such as the founders, sacred texts, beliefs and practices, then please follow this link: http://www.religioustolerance.org/var_rel.htm However this is a brief description of ISLAM Islam has 840 million followers. The prophet Muhammad, who received the Holy Scriptures of Islam, the Koran, from Allah (God) C. AD 610, was the founder.. Islam (Arabic for "submission to God") maintains that Muhammad is the last in a long line of holy prophets, preceded by Adam, Abraham, Moses, and Jesus. In addition to being devoted to the Koran, followers of Islam (Muslims) are devoted to the worship of Allah through the Five Pillars and the statement "There is no god but God, and Muhammad is his prophet". Practices include prayer, conducted five times a day while facing Mecca; the giving of alms; the keeping of the fast of Ramadan during the ninth month of the Muslim year; and the making of a pilgrimage at least once to Mecca, if possible. The two main divisions of Islam are the Sunni and the Shiite. The Wahabis are the most important Sunni sect, while the Shiite sects include the Assassins, the Druses, and the Fatimids, among numerous others.