Sunan Ibn Majah
Sunan Ibn Majah 1488
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا عُبَيْدُ اللَّهِ، أَنْبَأَنَا شَيْبَانُ، عَنِ الأَعْمَشِ، عَنْ أَبِي صَالِحٍ، عَنْ أَبِي هُرَيْرَةَ، عَنِ النَّبِيِّ ـ صلى الله عليه وسلم ـ قَالَ " مَنْ صَلَّى عَلَيْهِ مِائَةٌ مِنَ الْمُسْلِمِينَ غُفِرَ لَهُ " .
Unreviewed translation. All hadiths in this collection are available in five languages. Titles and introductions may remain in Arabic.
Abu Bakr ibn Abi Shaybah narrated to us; Ubaydullah narrated to us; Shayban informed us, from al-A‘mash, from Abu Salih, from Abu Hurayrah, from the Prophet (peace and blessings be upon him), who said: ‘If one hundred Muslims perform the funeral prayer over a person, he will be forgiven.’
Notes and open questions — unreviewed
The Arabic states a count of one hundred Muslims and forgiveness for the deceased for whom they pray.