Al-Baqara, alternatively transliterated Al-Baqarah, is the second and longest chapter (surah) of the Quran. It consists of 286 verses (āyāt) which begin with the "muqatta'at" letters alif (ا), lām (ل), and mīm (م). Q2:282 is the longest single verse in the Quran.
Folio from the Blue Quran with the fragment of the chapter Al-Baqara. Museum of Islamic Art, Doha.