Sunan Ibn Majah 818
سنن ابن ماجه#818SahihIt was narrated from Abu Barzah that the Messenger of Allah (ﷺ) used to recite between sixty and one hundred (Verses) in Fajr prayer
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih Muslim
In-book reference: 5:16