Jami At Tirmidhi
1028
Daif+2

Marthan bin Abdullah Al-Yazani narrated:"When Malik bin Hubairah performed Salat for a funeral and the people were few he would divide them into three groups (rows) then say: 'The Messenger of Allah said: "For whomever three rows perform Salat, then it is granted

DaifAhmad Muhammad Shakir
DaifAl-Albani