Riesel 523
 

R523 tested n=25K-100K

120*523^43047-1 is prime

126*523^n-1 is now a 1'ker with a weight of 1900

Results emailed - Base released

R551
 

R551 tested n=25K-100K

14*551^60134-1 is prime

10*551^n-1 is now a 1'ker with a weight of 1123

Results emailed - Base released

Status reported by Serge in an Email on Dec. 22nd:

R610 is at n=186.4K; continuing to n=200K

R718
 

Riesel Base 718
Conjectured k = 1023
Covering Set = 7, 13, 61
Trivial Factors k == 1 mod 3(3) and k == 1 mod 239(239)

Found Primes: 647k's - File emailed

Remaining: 31k's - Tested to n=25K - File emailed

Trivial Factor Eliminations: 343k's

Base Released

Strange
 

A pretty strange 1 minute and 43 seconds:

I was testing S973, a new base I'm working on, and I got the following 3
primes in the aforementioned time.

The first 2 are for the same k, and that occured because I have my caches
at 5, so 2 machines found a prime for the same k during the same cycle.

The 2nd and 3rd are for the same n, 8 seconds apart. I guess the second prime doesn't want to be lonely.
It's related to both the 1st and 3rd primes.

3240*973^11520+1 I7#8 12/26/10 04:36:41 34426
3240*973^11531+1 Ginger#1 12/26/10 04:38:16 34459
8248*973^11531+1 Ginger#3 12/26/10 04:38:24 34459

Riesel 564
 

Riesel 564, a 2ker, tested n=25K-100K. Nothing found

Base released - Results emailed

Sierp 639
 

Sierp Base 639
Conjectured k = 1664
Covering Set = 5, 17, 19, 37
Trivial Factors k == 1 mod 2(2) and k == 10 mod 11(11) and k == 28 mod 29(29)

Found Primes: 713k's - File emailed

Remaining: 16k's - Tested to n=25K - File emailed

Trivial Factor Eliminations: 102k's

Base Released

reserving riesel 992

Riesel 588
 

Riesel 588, a 2ker, tested n=25K-100K. Nothing found

Base released - Results emailed

S572 and S590 are now reserved.

Sierp 973
 

Sierp Base 973
Conjectured k = 9252
Covering Set = 5, 17, 487
Trivial Factors k == 1 mod 2(2) and k == 2 mod 3(3)

Found Primes: 3035k's - File emailed

Remaining: 47k's - Tested to n=25K - File emailed

Trivial Factor Eliminations: 1542k's

MOB Eliminations: 1k - File emailed
3892

Base Released