Jami` at-Tirmidhi 216
جامع الترمذي#216SahihAbu Hurairah narrated that :Allah's Messenger said: "Indeed a man's Salat in the congregation is increased by twenty five rewards over his Salat alone
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Bashar Awad MaaroufHasan Sahih
Zubair Ali ZaiSahih Muslim
In-book reference: 2:68