Jeopardy - 1984 6-86 was released on:
USA: 1 January 1990
Santa Barbara - 1984 1-686 was released on: USA: 8 April 1987
Attack of the Show - 2005 1-686 was released on: USA: 22 February 2008
Ryan's Hope - 1975 1-686 was released on: USA: 27 February 1978
Days of Our Lives - 1965 1-686 was released on: USA: 23 July 1968
Sunset Beach - 1997 1-686 was released on: USA: 24 September 1999
The Porter Wagoner Show - 1961 Philomena Begley 1-686 was released on: USA: 1981
Late Night with Jimmy Fallon - 2009 1-686 was released on: USA: 25 May 2012
@1984
686 × 1 = 686 196 × 3.5 = 686 ∴ The least common multiple of 686 and 196 is 686. Hope can help you:)
686/1000 it is actually 686/1
Feb.1984 with the serial number that you have provided.
They are 2*7*7*7 = 686 or as 2*73 = 686