843-844 complete, no primes.

Taking 878-879.

Thanks to amphoria for filling the 843-844 gap!

The tests for all 14 Ks are now continuously completed to n=864000 and the k=51 and k=57 gaps caused by Benson searching ahead of us are now closed.

The latest status page is [URL="http://www.15k.org/riesellist.htm"]here[/URL].

New CPU
 

Taking 879-880.

On 2008 January 17th the 2.4 GHz Pentium 4 (1 GB RAM) got replaced by an AMD Athlon 64 X2 Dual Core Processor 6000+ (2 GB RAM). I am now running the 5th RPS drive on two cores.

872-873 complete, no primes.

Taking 880-881.

871-872 complete, no primes.

Taking 881-882.

878-879 complete, no primes.

Taking 882-883.

880-881 complete, no primes.

Taking 883-884.

Congrats to AES on 117*2^877874-1, the 50th prime of the 5th Drive!

:banana:

B'maxx completed 873-874, no primes.

He is now taking 884-885.

Thanks Kosmaj. It's an exceedingly successful drive.

Taking 885-886

877-878 complete. [URL="http://www.adamsutton.net/archive/5th_877to878_lresults.zip"]One prime.[/URL]