"Ex-Factor" is a song by American recording artist Lauryn Hill for her debut solo studio album The Miseducation of Lauryn Hill. Written and produced by Hill herself, it incorporates elements of R&B, neo soul and hip hop soul. The song features a sample of "Can It Be All So Simple" by Wu-Tang Clan, hence its songwriters are also credited. It has been claimed to be about Hill's former Fugees groupmate Wyclef Jean. From Wikipedia
