Sunan Ibn Majah 1280
سنن ابن ماجه#1280SahihIt was narrated from ‘Aishah that the Messenger of Allah (ﷺ) said the Takbir seven and five times in (the prayer for ‘Eid) Fitr and Adha, apart from the Takbir for Ruku’ (bowing)
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 ArnautHasan Lighairihi
Zubair Ali ZaiHasan
In-book reference: 5:478