حَدَّثَنَا يَحْيَى عَنْ عُبَيْدِ اللَّهِ حَدَّثَنِي نَافِعٌ عَنِ ابْنِ عُمَرَ عَنْ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ الصَّلَاةُ فِي الْجَمِيعِ تَزِيدُ عَلَى صَلَاةِ الرَّجُلِ وَحْدَهُ سَبْعًا وَعِشْرِينَ
مسند امام احمد بن حنبل · Hadith 4670
It was narrated from Ibn 'Umar that the Messenger of Allah (PBUH) said: "Prayer in congregation is superior to prayer offered alone by twenty-seven degrees."
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020