X Factor (Russian TV series)

Russia has had three adaptations of the singing competition The X Factor under three different titles:
 * Sekret Uspekha (Секрет Успеха), which was aired from 2005–2007 on RTR
 * Faktor A (Фактор А), which premiered on April 1, 2011 on Russia 1 (successor of RTR)
 * Glavnaya Stsena (Главная Сцена), which premiered on January 29, 2015 on Russia 1