S875
 

S875 tested n=100K-200K - nothing found

Results emailed - base released

R918
 

Riesel Base = 918
Conjectured k = 11946
Covering Set = 5, 13, 919
Trivial Factors = k == 1 mod 7(7) and k == 1 mod 131(131)

Found Primes: 10030k's - File emailed

Remaining: 123k's - Tested to n=25K - File emailed

Trivial Factor Eliminations: 1784k's

MOB Eliminations: 7k's - File emailed

taking S642 to 10k

S642 brought to 10e3, 200k found, 404 left

R582
 

R582 tested n=100K-200K - nothing found

Results emailed - base released

Taking R693, currently at 5.6k :P
Update on (S331?), currently at 14.7k.
Both on different computers, the 331 was as of this morning.

R866
 

Watched these forums for a long time and finally decided its time to get involved with some of these conjectures.
I'll try taking R866 up to 200k

R573
 

R573 tested n=100K-200K - nothing found

Results emailed - base released

[COLOR=Red]Reserving R504, R505, R551, R563 to n=200K[/COLOR]

R866
 

Think I've had a large case of beginners luck!

8*866^108590-1 is prime.

Last k eliminated so R866 is now proven

nice job rob, one more bite the dust! and it make in the top 5000 largest primes. In the 3400-3500 top range.

[QUOTE]Think I've had a large case of beginners luck!

8*866^108590-1 is prime.

Last k eliminated so R866 is now proven [/QUOTE]
Beginners luck or not, it's nice to eliminate another pesky 1ker.:banana:
It is also eligible for the Top5000 list.