The answer is 10.
11 is the answer.
No. They performed on December 5th.
11 + 11 + 88 = 11*(1 + 1 + 8) = 11*(10) = 110
As there is no common factor between any of the numbers other than 1, LCM(5, 7, 10, 11) = 5 × 7 × 10 × 11 = 770
Entertainment Tonight - 1981 2007-10-11 was released on: USA: 11 October 2007
Showbiz Tonight - 2005 2012-10-11 was released on: USA: 11 October 2012
Entertainment Tonight - 1981 2011-10-11 was released on: USA: 11 October 2011
Entertainment Tonight - 1981 2002-10-11 was released on: USA: 11 October 2002
Entertainment Tonight - 1981 2010-10-11 was released on: USA: 11 October 2010
Entertainment Tonight - 1981 2008-11-10 was released on: USA: 10 November 2008
Entertainment Tonight - 1981 - 2008-11-10 was released on: USA: 10 November 2008
Entertainment Tonight - 1981 2011-11-10 was released on: USA: 10 November 2011
Entertainment Tonight - 1981 2009-11-10 was released on: USA: 10 November 2009
Entertainment Tonight - 1981 2010-11-10 was released on: USA: 10 November 2010
Lou Dobbs Tonight - 2001 2012-10-11 was released on: USA: 11 October 2012
Lou Dobbs Tonight - 2001 2013-10-11 was released on: USA: 11 October 2013