Silsilat al-Ahadith al-Sahihah

Sayyiduna Qubath bin Ashyam Laithi رضي الله عنه narrates that the Noble Prophet صلى الله عليه وسلم said: "The prayer of two people, in which one leads the other, is better than eight prayers performed consecutively alone, and the prayer of four persons, in which one leads the others in congregation, is better than a hundred prayers performed consecutively alone."