It was
narrated from Hudhaifah bin Al-Yaman that he heard the
Messenger of
Allah (ﷺ) say when he bowed:
“Subhana Rabbiyal-‘Azim
(Glory is
to my Lord, the Most Great)” three times, and when he
prostrated he
said: “Subhana Rabbiyal-A’la (Glory is to my Lord the
Most High)”
three times.