Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
tabarani:9520Isḥāq b. Ibrāhīm > ʿAbd al-Razzāq > Ibn Jurayj > ʿAbd al-Karīm b. Abū al-Mukhāriq > Ibrāhīm al-Nakhaʿī > ʿAlqamah b. Qays > al-Aswad b. Yazīd > Ibn Masʿūd

[Machine] Indeed, he used to say the takbeer (saying "Allahu Akbar") five times in the first (rak'ah) during the prayer and in the second (rak'ah) four times.  

الطبراني:٩٥٢٠حَدَّثَنَا إِسْحَاقُ بْنُ إِبْرَاهِيمَ عَنْ عَبْدِ الرَّزَّاقِ عَنِ ابْنِ جُرَيْجٍ عَنْ عَبْدِ الْكَرِيمِ بْنِ أَبِي الْمُخَارِقِ عَنْ إِبْرَاهِيمَ النَّخَعِيِّ عَنْ عَلْقَمَةَ بْنِ قَيْسٍ وَعَنِ الْأَسْوَدِ بْنِ يَزِيدَ عَنِ ابْنِ مَسْعُودٍ

أَنَّهُ «كَانَ يُكَبِّرُ فِي الْأُولَى خَمْسًا بِتَكْبِيرَةِ الرَّكْعَةِ وَبِتَكْبِيرَةِ الِاسْتِفْتَاحِ وَفِي الْأُخْرَى أَرْبَعًا بِتَكْبِيرَةِ الرَّكْعَةِ»