Jami` at-Tirmidhi 3650
جامع الترمذي#3650Da'ifحَدَّثَنَا أَحْمَدُ بْنُ مَنِيعٍ، وَيَعْقُوبُ بْنُ إِبْرَاهِيمَ الدَّوْرَقِيُّ، قَالاَ حَدَّثَنَا إِسْمَاعِيلُ ابْنُ عُلَيَّةَ، عَنْ خَالِدٍ الْحَذَّاءِ، حَدَّثَنِي عَمَّارٌ، مَوْلَى بَنِي هَاشِمٍ قَالَ سَمِعْتُ ابْنَ عَبَّاسٍ، يَقُولُ تُوُفِّيَ رَسُولُ اللَّهِ صلى الله عليه وسلم وَهُوَ ابْنُ خَمْسٍ وَسِتِّينَ .
Narrated Ibn 'Abbas:"The Prophet (ﷺ) died when he was sixty-five years old
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Ahmad Muhammad ShakirShadh
Al-AlbaniShadh
Zubair Ali ZaiHasan
In-book reference: 49:46