Sunni and Shi'a are the two major Islamic groups. I think that is what you are asking for
There are many
What is the larger of the 2 divisions of Islam
i believe there will be 73 different divisions within Islam till the day of ressurection, however these sects will all establish the same beliefs.
the spread of Islam.
Muhammad was the main prophet of Islam.
The two main divisions of mechanics are Statics and Dynamics.
One of the main divisions are sub-divisions.
They are not real Islam divisions. They are just different schools. Mainly they are Sunnis and Shiites. Refer to question below.
Physics, Chemistry and Biology are main divisions of science.
The two main divisions are rational numbers and irrational numbers.
Islam is the main religion of Saudi Arabia.
epidermis and dermis