If a Muslim prays while in a state of major ritual impurity and does not realize it until after the prayer is finished, what is required of him?

Question:
May Allah reward you, Honorable Shaykh. This questioner says: If a Muslim prays while in a state of major ritual impurity and does not realize it until after the prayer is finished, what is required of them?

Answer:
Until after the prayer is finished. Yes, he is required to perform the full ritual bath and repeat the prayer. He is required to perform the full ritual bath from the major ritual impurity and repeat the prayer, because his first prayer is not valid. Yes.