Jami At Tirmidhi
3466
Sahih+3

Abu Hurairah narrated that :the Messenger of Allah (ﷺ) said: “Whoever says: ‘Glory is to Allah, and with His Praise (Subḥān Allāh, wa biḥamdih)’ a hundred times, his sins are forgiven, even if they were like the foam of the sea.”

SahihAhmad Muhammad Shakir
SahihAl-Albani