Engineer at Cognition
Appears in 1 story
Last updated Sep 10, 2026
As of September 2026: Posted the factor of RSA-260 on September 3, 2026
On September 3, 2026, Cognition engineer Eric Lu posted a 130-digit number on X with two words: "divides RSA-260." The number was a prime factor of a 260-digit composite that had stumped cryptographers for 35 years.
Updated Sep 10
No stories match your search
Try a different keyword
How would you like to describe your experience with the app today?
