Sayyiduna Harithah bin Wahb (may Allah be pleased with him) said: "I prayed two rak'ahs with the Prophet (peace and blessings be upon him) at Mina, two rak'ahs with Abu Bakr (may Allah be pleased with him), two rak'ahs with Umar (may Allah be pleased with him), and four rak'ahs with Uthman (may Allah be pleased with him)."
Hadith Referenceالمعجم الكبير للطبراني / باب الحاء / 3236