RSA-260 factored by 2021-05-31. https://en.wikipedia.org/wiki/RSA_Factoring_Challenge

Created by evand on 2021-03-04; known on 2021-06-15; judged wrong by evand on 2021-06-27.

• evand estimated 40% on 2021-03-04
• evand   judged this prediction wrong on 2021-06-27.