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.
Reference: Sahih Muslim 2349 a In-book : Book 43, Hadith 150 USC-MSA web (English) : Book 30, Hadith 5797 (deprecated)
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