Sahih Muslim Book 4, Hadith 106
The Messenger of Allah (ﷺ) breathed his last on that very day.
The Messenger of Allah (ﷺ) ordered Abu Bakr that he should lead people in prayer during his illness, and he led them in prayer. `Urwa said: The Messenger of Allah (ﷺ) felt relief and went (to the mosque) and Abu Bakr was leading the people in prayer. When Abu Bakr saw him he began to withdraw, but the Messenger of Allah (ﷺ) signaled him to remain where he was. The Messenger of Allah (ﷺ) sat opposite to Abu Bakr by his side. Abu Bakr said prayer following the prayer of the Messenger of Allah (ﷺ), and the people said prayer following the prayer of Abu Bakr.
The last glance that I have had of the Messenger of Allah (ﷺ) (before his death) was that when he on Monday drew the curtain aside. The hadith transmitted by Salih is perfect and complete.