The Messenger of Allah said: "The prayer in congregation is twenty-five times more virtuous than the prayer of anyone of you on his own." (Using translation from Ibn Mājah 787)
عَنْ رَسُولِ اللهِ ﷺ قَالَ فَضْلُ صَلَاةِ الْجَمَاعَةِ عَلَى صَلَاةِ أَحَدِكُمْ وَحْدَهُ خَمْسَةٌ وَعِشْرُونَ جُزْءًا