Kirill Ivanov, aka Самое Большое Простое Число (samoye bolshoye prostoye chislo) is a TV reporter and musician who has proven himself with groundbreaking, experimental solo output on Snegiri label. his music is a minimal ambient and this is closely interwoven with lyrics. Kirill Ivanov also works with 2H Company and Елочные Игрушки (aka Ёлочные Игрушки) sometimes.
useful links:
http://www.myspace.com/sbp4
http://www.snegiri.ru/releases/album.phtml?id=177&ida=210

Самое Большое Простое Число on Last.fm.