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.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
darimi:3481 – Naṣr b. ʿAlī > Nūḥ b. Qays > Muḥammad Abū Rajāʾ > Um Kathīr al-Anṣāriyyah > Anas b. Mālik

[Machine] The messenger of Allah (may peace be upon him) said, "Whoever recites Surah Al-Ikhlas (Chapter 112 of the Quran) fifty times, Allah will forgive his sins of fifty years."  

الدارمي:٣٤٨١ – حَدَّثَنَا نَصْرُ بْنُ عَلِيٍّ عَنْ نُوحِ بْنِ قَيْسٍ عَنْ مُحَمَّدٍ أَبِي رَجَاءٍ عَنْ أُمِّ كَثِيرٍ الْأَنْصَارِيَّةِ عَنْ أَنَسِ بْنِ مَالِكٍ قَالَ

قَالَ رَسُولُ اللَّهِ ﷺ «مَنْ قَرَأَ قُلْ هُوَ اللَّهُ أَحَدٌ خَمْسِينَ مَرَّةً غَفَرَ اللَّهُ لَهُ ذُنُوبَ خَمْسِينَ سَنَةً»  

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Collected by Suyūṭī
suyuti:22819a –
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السيوطي:٢٢٨١٩a –

"مَنْ قَرَأَ {قُلْ هُوَ اللَّهُ أَحَدٌ} مِائَتَىْ مَرَّة غُفِرَ لَهُ ذُنُوبُ مائَتَيْ سَنَة".  

[ز] البزّار في سننه وابن الضريس في فضائل القرآن، وسمويه، [هب] البيهقى في شعب الإيمان عن أَنس