عن ابنِ عمرَ رضي الله عنهما، أن رسول الله  ﷺ قال: «صلاةُ الجماعةِ أفضَلُ من صلاةِ الفَذِّ بسَبعٍ وعشرينَ دَرجةً»

‘Abdullāh ibn ‘Umar narrated that God’s Messenger (peace be upon him) said:

Congregational prayer is twenty-seven degrees better than that of a person praying alone.

Related by al-Bukhari, 645; Muslim, 650.

Summary of Meaning

The Prophet (peace be upon him) states in this hadith that offering an obligatory prayer with a congregation is twenty-seven times better than offering it alone. 

Hadiths projects