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Topic: 1 as a prime number
Replies: 11   Last Post: Dec 9, 1997 11:13 AM

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mark snyder

Posts: 1,300
Registered: 12/3/04
1 as a prime number
Posted: Dec 5, 1997 2:47 PM
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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

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