Lu Chao recited 67,890 digits of pi from memory.

Quick Scoop

  • Lu Chao, a Chinese college student, set a Guinness World Record by correctly reciting pi to the 67,890th decimal place.
  • The feat took about 24 hours and 4 minutes of continuous recitation, with no mistakes up to that digit.
  • Reports note he had actually memorized even more digits, but the official count stops at 67,890 for the record.

Why it’s talked about

  • It’s often cited online in forum discussions and trivia posts as an extreme example of human memory capacity.
  • Articles and blogs use his record to introduce topics like memory training, mnemonics, and pi‑day celebrations.

On many forums, people react to Lu Chao’s record with a mix of awe and “I can barely remember my passwords,” which keeps this story circulating as a fun, mind‑blowing fact.

TL;DR: Lu Chao’s officially recognized record is 67,890 digits of pi recited correctly from memory.

Information gathered from public forums or data available on the internet and portrayed here.