رواه البخاري (٦٤٩)

قَالَ شُعَيْبٌ وَحَدَّثَنِي نَافِعٌ، عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ، قَالَ

تَفْضُلُهَا بِسَبْعٍ وَعِشْرِينَ دَرَجَةً.

Narrated `Abdullah bin `Umar:The reward of the congregational prayer is twenty seven times greater (than that of the prayer offered by a person alone)

رواه البخاري (٦٤٩)