Authentic
hadith of Sahih Muslim
Sahih Muslim 2349a
وَحَدَّثَنِي عَبْدُ الْمَلِكِ بْنُ شُعَيْبِ بْنِ اللَّيْثِ، حَدَّثَنِي أَبِي، عَنْ جَدِّي، قَالَ حَدَّثَنِي عُقَيْلُ، بْنُ خَالِدٍ عَنِ ابْنِ شِهَابٍ، عَنْ عُرْوَةَ، عَنْ عَائِشَةَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم تُوُفِّيَ وَهُوَ ابْنُ
ثَلاَثٍ وَسِتِّينَ سَنَةً .
'A'isha reported that Allah's Messenger (ﷺ) died when he had attained the age of sixty-three. And a hadith like this had been transmitted on the authority of Sa'id b. Musayyib.
Reported by Muslim (No. 2349a).