878 - Ahmad ibn Salih narrated to us, Ibn Wahb narrated to us (another chain)
And Ahmad ibn al-Sarh narrated to us, Ibn Wahb informed us, Yahya ibn Ayyub informed me, from Umara ibn Ghaziyya, from Sumayy, the freed slave of Abu Bakr, from Abu Salih
from Abu Hurayra: that the Prophet, peace and blessings be upon him, used to say in his prostration: "O Allah, forgive me all my sins: the small of them and the great of them, the first of them and the last of them." Ibn al-Sarh added: "the open of them and the secret of them."(1)

879 - Muhammad ibn Sulayman al-Anbari narrated to us, Abda narrated to us, from Ubayd Allah, from
Muhammad ibn Yahya ibn Habban, from Abd al-Rahman al-A'raj, from Abu Hurayra
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= And it was also recorded by al-Bukhari (794), Muslim (484) (217), al-Nasa'i in al-Kubra (639), (713), and (720), Ibn Majah (889) via multiple chains from Mansur, with this chain of transmission. It is in Musnad Ahmad (24163) and Sahih Ibn Hibban (1929) and (1930). And it was recorded by al-Bukhari (4967) and Muslim (484) (219) via two chains from al-A'mash, from Abu al-Duha, with it, with the wording: "The Prophet, peace and blessings be upon him, did not pray any prayer after {When the help of Allah and the victory came} was revealed to him except that he would say in it: ..." and he mentioned it.
And it was recorded by Muslim (484) (218) via the chain of Abu Mu'awiya, from al-A'mash, with it, with the wording: "The Messenger of Allah, peace and blessings be upon him, used to say frequently before he died: 'Glory be to You, O Allah, and with Your praise; I seek Your forgiveness and I repent to You.'" She said: "I said: O Messenger of Allah, what are these words that I see you have newly begun to say?" He said: "A sign was appointed for me in my community — when I see it, I say it: {When the help of Allah and the victory came} to the end of the surah." And it was recorded by Muslim (484) (220) via the chain of al-Sha'bi, from Masruq, with it, with the wording of Abu Mu'awiya.
And the interpretation of the Quran [verse] is: its meaning is that he does what he was commanded, and what is meant by "the Quran" is part of it, namely the saying of the Exalted: {Then glorify with the praise of your Lord and seek His forgiveness.}

(1) Its chain of transmission is sound. Ibn Wahb: he is Abd Allah, and Abu Salih: he is Dhakwan al-Samman.
And it was recorded by Muslim (483) via the chain of Abd Allah ibn Wahb, with this chain of transmission. It is in Sahih Ibn Hibban (1931).
His saying: "the small of them and the great of them" means: the minor of them and the major of them.