I forgot to mention: R971 released.

S828
 

S828 tested n=100K-200K - Nothing found

Results emailed - Base released

R952
 

Riesel Base 952
Conjectured k = 5411
Covering Set = 13, 43, 541
Trivial Factors k == 1 mod 3(3) and k == 1 mod 317(317)

Found Primes: 3540k's - File emailed

Remaining: 52k's - Tested to n=25K - File emailed

Trivial Factor Eliminations: 1815k's

MOB Eliminations: 2k's - File emailed

Base Released

Reservations
 

Reserving the following 1kers to n=200K.

R668 R815
S803 S866 S917 S934 S935

S996
 

Sierp Base 996
Conjectured k = 5841
Covering Set = 7, 19, 43, 127
Trivial Factors k == 4 mod 5(5) and k == 198 mod 199(199)

Found Primes: 4579k's - File emailed

Remaining: 65k's - Tested to n=25K - File emailed

Trivial Factor Eliminations: 1192k's

MOB Eliminations: 2k's - File emailed

GFN Eliminations: 1k - File emailed
996

Base Released

R982
 

R982 tested to n=25000
Scripting to n=2000 left 211 k's
108 primes found for 2001<n<=25000
--> 103 k's remaining at n=25000
Base released

R548
 

R548 tested n=100K-200K - Nothing found

Results emailed - Base released

S543
 

Sierp Base 543
Conjectured k = 6478
Covering Set = 7, 13, 17, 19
Trivial Factors k == 1 mod 2(2) and 270 mod 271(271)

Found Primes: 3094k's - File emailed

Remaining: 130k's - Tested to n=25K - File emailed

Trivial Factor Eliminations: 12k's

MOB Eliminations: 2k's - File emailed

Base Released

Taking R752 and R931

R668
 

R668 tested n=100K-200K - Nothing found

Results emailed - Base released

S693
 

Sierp Base 693
Conjectured k = 6592
Covering Set = 5,13,347
Trivial Factors k == 1 mod 2(2) and 172 mod 173(173)

Found Primes: 3241k's - File emailed

Remaining: 32k's - Tested to n=25K - File emailed

Trivial Factor Eliminations: 19k's

MOB Eliminations: 3k's - File emailed

Base Released

[COLOR=Red]Unless I missed something, this is the last Sierp base with a ck <10K to be started[/COLOR]

Sierp finally beat Riesel at something :razz: