Sahih al-Bukhari 3060
صحيح البخاري#3060SahihNarrated Hudhaifa:The Prophet (ﷺ) said (to us), " List the names of those people who have announced that they are Muslims." So, we listed one thousand and five hundred men. Then we wondered, "Should we be afraid (of infidels) although we are one thousand and five hundred in number?" No doubt, we witnessed ourselves being afflicted with such bad trials that one would have to offer the prayer alone in fear. Narrated Al-A`mash: "We (listed the Muslims and) found them five hundred." And Abu Muawiya said, "Between six hundred to seven hundred
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 56:265