0
The Young and the Restless - 1973 1-9933 was released on:
USA: 22 June 2012
All My Children - 1970 1-9933 was released on:
USA: 8 August 2008
General Hospital - 1963 1-9933 was released on:
USA: 14 January 2002
Days of Our Lives - 1965 1-9933 was released on:
USA: 16 November 2004
The lowest common multiple of these numbers is 99.
99 * 1 = 99
33 * 3 = 99