Sayyiduna Abu Umamah (may Allah be pleased with him) states: The Prophet (peace and blessings be upon him) saw a man praying alone and asked: "Will someone give charity to this man by praying with him?" So a man stood up and prayed with him. The Prophet (peace and blessings be upon him) said: "These two are a congregation."
Imam Ahmad and Imam al-Tabarani recorded this narration; it has several routes, all of which are da'if (weak).
Hadith Referenceمجمع الزوائد ومنبع الفوائد / كتاب الصلاة / 2179
Hadith Gradingمحدثین:إسنادہ ضعیف
Hadith Takhrij«أخرجه مسند أحمد برقم: 21685، وأخرجه معرفة السنن والآثار برقم: 5628»