It is narrated from Sayyiduna Ibn Abbas (may Allah be pleased with them both) that the Prophet (peace and blessings be upon him) used to recite Surah As-Sajdah and Surah Ad-Dahr in the Fajr prayer on Friday, and in the Jumu'ah prayer he used to recite Surah Al-Jumu'ah and Surah Al-Munafiqun.