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.
suyuti:4381a

Messenger of Allah ﷺ said, "The Um (substance) of the Qur'an is the seven oft-repeated verses (Al- Mathaini) and is the Great Qur'an (i.e. Surat-al-Fatiha). (Using translation from Bukhārī 4704)   

السيوطي:٤٣٨١a

"أُمُّ القرآن هي السبع المثانى والقرآن العظيم".  

[خ] البخاري [هب] البيهقى في شعب الإيمان عن أبي هريرة

See similar narrations below:

Collected by Bukhārī, Aḥmad, Suyūṭī
bukhari:4704Ādam > Ibn Abū Dhiʾb > Saʿīd al-Maqburī > Abū Hurayrah

Messenger of Allah ﷺ said, "The Um (substance) of the Qur'an is the seven oft-repeated verses (Al- Mathaini) and is the Great Qur'an (i.e. Surat-al-Fatiha).  

البخاري:٤٧٠٤حَدَّثَنَا آدَمُ حَدَّثَنَا ابْنُ أَبِي ذِئْبٍ حَدَّثَنَا سَعِيدٌ الْمَقْبُرِيُّ عَنْ أَبِي هُرَيْرَةَ ؓ قَالَ

قَالَ رَسُولُ اللَّهِ ﷺ أُمُّ الْقُرْآنِ هِيَ السَّبْعُ الْمَثَانِي وَالْقُرْآنُ الْعَظِيمُ  

ahmad:9788Yazīd b. Hārūn > Ibn Abū Dhiʾb And Hāshim b. al-Qāsim > Ibn Abū Dhiʾb > al-Maqburī > Abū Hurayrah

[Machine] Narrated by the Prophet ﷺ that he said about the mother of the Quran, "She is the mother of the Quran, she is the seven repeated [verses], and she is the glorious Quran."  

أحمد:٩٧٨٨حَدَّثَنَا يَزِيدُ بْنُ هَارُونَ قَالَ أَخْبَرَنَا ابْنُ أَبِي ذِئْبٍ وَهَاشِمُ بْنُ الْقَاسِمِ عَنِ ابْنِ أَبِي ذِئْبٍ عَنِ الْمَقْبُرِيِّ عَنْ أَبِي هُرَيْرَةَ

عَنِ النَّبِيِّ ﷺ أَنَّهُ قَالَ فِي أُمِّ الْقُرْآنِ هِيَ أُمُّ الْقُرْآنِ وَهِيَ السَّبْعُ الْمَثَانِي وَهِيَ الْقُرْآنُ الْعَظِيمُ  

suyuti:4489e

Messenger of Allah ﷺ said, "The Um (substance) of the Qur'an is the seven oft-repeated verses (Al- Mathaini) and is the Great Qur'an (i.e. Surat-al-Fatiha). (Using translation from Bukhārī 4704)   

السيوطي:٤٤٨٩e

"أُمُّ الْقُرْآن هى السبعُ المثانِي والقُرْآن العظِيمُ".