Allah's Messenger (ﷺ) said, "Whoever says, 'Subhan Allah wa bihamdihi,' one hundred times a day, will be forgiven all his sins even if they were as much as the foam of the sea.
Sahih al-Bukhari Book 80, Hadith 100
← Previous Hadith Whoever recites it (i.e., the invocation in the above Hadith (412) ten times will be as if he manumitted one of Ishmael's descendants. Abu Aiyub narrated the same Hadith from the Prophet (ﷺ) saying, "(Whoever recites it ten times) will be as if he had manumitted one of Ishmael's descendants."

Sahih al-Bukhari Book 80, Hadith 99 Next Hadith → The Prophet (ﷺ) said, "There are two expressions which are very easy for the tongue to say, but they are very heavy in the balance and are very dear to The Beneficent (Allah), and they are, 'Subhan Allah Al- `Azim and 'Subhan Allah wa bihamdihi.'"

Sahih al-Bukhari Book 80, Hadith 101