Complex sentence: Even at the time of discovery in 2001, this 1401 digit number was too small to be mentioned, so Carmody created a 1905-digit prime which was the tenth largest prime found using ECPP.
Split into simpler sentences: Even at the time of discovery in 2001, this 1401 digit number was too small to be mentioned. So Carmody created a 1905-digit prime which was the tenth largest prime found using ECPP.