Volume 2 · Book 23 · Hadith 417
Narrated Abu Huraira: Allah's Apostle informed about the news of the death of An-Najash on the day he died. He went out with us to the Musalla and we aligned in rows and he said four Takbirs for An-Najashi's funeral prayer.
— Sahih Bukhari, Volume 2, Book 23: Funerals (Al-Janaa'iz), Hadith #417