Bukhari 649 · Book 10
Sahih al-Bukhari, 649
Call to Prayers (Adhaan)
Sahih (authentic)by the collection
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)Rapporté par `Abdullah bin `Umar : La récompense de la prière en groupe est vingt-sept fois plus grande que celle de la prière faite seulGrades given by scholars
Sahih collection: its hadiths are held authentic by the compiler.
Source: fawazahmed0/hadith-api (public domain).