Sunan an Nasai
1972
Sahih+2

It was narrated that Abu Hurairah said:"The Messenger of Allah announced the death of An-Najashi to his Companions in Al-Madinah, so they formed rows behind him and he offered the funeral prayer for him, saying the Takbir four times

SahihAbu Ghuddah
SahihAl-Albani