Hadith
حَدَّثَنَا إِبْرَاهِيمُ بْنُ الْمُنْذِرِ الْحِزَامِيُّ، حَدَّثَنَا إِبْرَاهِيمُ بْنُ عَلِيٍّ الرَّافِعِيُّ، عَنْ كَثِيرِ بْنِ عَبْدِ اللَّهِ، عَنْ أَبِيهِ، عَنْ جَدِّهِ، أَنَّ رَسُولَ اللَّهِ ـ صلى الله عليه وسلم ـ كَبَّرَ خَمْسًا .
It was narrated from Kathir bin ‘Abdullah, from his father, from his grandfather, that the Messenger of Allah (ﷺ) said the Takbir five times
Sahih · Al-Albani
Sunan Ibn Majah 1506 ·Book 6, Hadith 74·Also available on sunnah.com·