Jeopardy - 1984 5-81 was released on:
USA: 26 December 1988
Santa Barbara - 1984 1-581 was released on: USA: 7 November 1986
The Bold and the Beautiful - 1987 1-581 was released on: USA: 1989
Passions - 1999 1-581 was released on: USA: 15 October 2001
Days of Our Lives - 1965 1-581 was released on: USA: 22 February 1968
Ryan's Hope - 1975 1-581 was released on: USA: 3 October 1977
Sunset Beach - 1997 1-581 was released on: USA: 28 April 1999
Take the High Road - 1980 1-581 was released on: USA: 7 October 1988
Late Night with Jimmy Fallon - 2009 1-581 was released on: USA: 11 January 2012
The positive integer factors of 581 are: 1, 7, 83, 581
The 581 was made from 1967 to 1983, you can determine the month/year of manufacture by the date code on the barrel. The table for this is on the Remington Society of America. http://www.remingtonsociety.com/rsa/questions/barrelcodes
It is: 581 = DLXXXI
581 Cinquecentoottantuno