On Mon, 26 Mar 2001 17:22:47 -0500 (EST), Jack Brennen wrote:

>The smallest Mersenne number not yet completely factored is 2^641-1,
>unless a breakthrough has happened in the last 2 months.
>Interestingly, the second smallest is 2^643-1.

The NFSnet page <http://orca.st.usm.edu/~cwcurry/nfs/nfs.html> now
reads:

C(2,641-)   Sieving 92%

On a related note - does anyone know whether this project is now
active?  I sent an email about joining this summer but got no
response.  

Nathan
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