The Messenger of Allah ﷺ was given seven of the long mathani, and Musa was given six. When he cast down the tablets, two were lifted away and four remained.
حدثنا عثمان بن أبي شيبة حدثنا جرير عن الأعمش عن مسلم البطين عن سعيد بن جبير
أوتي رسول الله ﷺ سبعا من المثاني الطول وأوتي موسى عليه السلام ستا فلما ألقى الألواح رفعت ثنتان وبقي أربع
[Its chain is daif] Nasai narrated it in the Book of Opening the Prayer, Chapter on the interpretation of the words of Allah, Mighty and Sublime, "We have given you seven of the oft-repeated [verses] and the great Quran" [Hijr 15:87], no. 916, from the hadith of Jareer bin Abdul-Hameed, by this same chain.