` ` American Idol '' and ` ` X Factor '' are the No . 1 network 's most important shows . Fox executive on ` ` Factor '' : ` ` There definitely will be lots of different changes in the show '' Fox executive on ` ` Factor '' : ` ` You never want to change the core of the show ''
`` American Idol '' and `` X Factor '' are the No . 1 network 's most important shows . Fox executive on `` Factor '' : `` There definitely will be lots of different changes in the show '' Fox executive on `` Idol '' : `` You never want to change the core of the show ''