Date: Dec 5, 1997 2:47 PM
Author: mark snyder
Subject: 1 as a prime number

I have heard that until about 1800, 1 was considered to be a prime number.
Is this correct? At what point was a decision made to define 1 as not
prime?  Was there some sort of big meeting at which this was decided, or
some work which is seminal in this regard?

mark snyder