The Two 'Ids
Malik :: Book 10 : Hadith 10.4.9
Yahya related to me from Malik that Nafi, the mawla of Abdullah ibn Umar said, "I was at Adha and Fitr with Abu Hurayra and he said 'Allah is greater' seven times in the first raka, before the recitation, and five times in the second, before the recitation."