factoid

noun2

1. •
   An interesting item of trivia; a minor fact.

   • Don't parade in front of the audience spewing every factoid you know on your topic. Only share the right information for that exact moment with that specific audience. — 2013
2. •
   An inaccurate statement or statistic believed to be true because of broad repetition, especially if cited in the media.

   • Such hedging is necessitated by the lack of in-depth knowledge of the contents, which also gives free rein to the scripting of unsubstantiated factoids concerning the book. — 2018