"We counted The Messenger of Allah ﷺ saying a hundred times during one single sitting:
رَبِّ اغْفِرْ لِي وَتُبْ عَلَيَّ ، إِنَّكَ أَنْتَ التَّوَّابُ الرَّحِيْمُ
My Lord! Forgive me and pardon me. Indeed, You are the Oft-Returning with compassion and Ever Merciful."
Sunan Abu Dawud 1516
"We counted The Messenger of Allah ﷺ saying a hundred times during one single sitting:
رَبِّ اغْفِرْ لِي وَتُبْ عَلَيَّ ، إِنَّكَ أَنْتَ التَّوَّابُ الرَّحِيْمُ
My Lord! Forgive me and pardon me. Indeed, You are the Oft-Returning with compassion and Ever Merciful."
Sunan Abu Dawud 1516