RSA-260 has 260 decimal digits (862 bits) and was factored by Eric Lu on September 3, 2026
RSA-260 =
4397328654844826923795068102505872571721883526553349659561256924505973939597593482272505698004801207988043088656411102133523080581
×
5028695206842569864686141618253083416610081090075366674776775706538324961364412200138116378509733307971876652984898985905923678379
From Wikipedia: https://en.wikipedia.org/wiki/RSA_numbers#RSA-260
penlu on 𝕏: https://x.com/penlume/status/2095372672356212876