Also regarding the Number
Question :
What is the smallest number of persons necessary for the Friday prayer and the giving the sermon?
Answer:
There is much difference of opinion in this matter among the scholars, but the most correct saying is that the minimum is three: The Imam and two others with him. So if there are three free, resident men in a village who are obligated to pray, they should establish the Friday prayer and not pray Zuhr, because the evidences for the lawfulness of the Friday prayer and its obligation include them and any greater number.
Source:
Ibn Baz
Fatawa Islamiyah, Vol. 2 Page 472