R392
 

R392 tested n=50K-100K - Nothing found

Results emailed - Base released

S334 is complete to n=50K

no primes.

Attached are the results

I would like to reserve S492 to n=50K

Taking S458 (1 k remaining).

R313
 

Riesel Base 313
Conjectured k = 8634
Covering Set = 5, 97, 157
Trivial Factors k == 1 mod 2(2) and k == 1 mod 3(3) and k == 1 mod 13(13)

Found Primes: 2619k's - File emailed

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

Trivial Factor Eliminations: 1660k's

MOB Eliminations: 6K'S - File emailed

Base Released

R338 is complete to n=50K

1 prime

7*338^42867-1

Attached are the results

R352
 

Riesel Base 352
Conjectured k = 2426
Covering Set = 7, 61, 97
Trivial Factors k == 1 mod 3(3) and k == 1 mod 13(13)

Found Primes: 1468k's - File emailed

Remaining: 22k's - Tested to n=25K - File emailed
k=1764 proven composite by partial algebraic factors

Trivial Factor Eliminations: 932k's

MOB Eliminations: 2k's - File emailed

Base Released

[QUOTE=MyDogBuster;258884]Riesel Base 352
Conjectured k = 2426
Covering Set = 7, 61, 97
Trivial Factors k == 1 mod 3(3) and k == 1 mod 13(13)

Found Primes: 1468k's - File emailed

Remaining: 22k's - Tested to n=25K - File emailed
k=1764 proven composite by partial algebraic factors

Trivial Factor Eliminations: 932k's

MOB Eliminations: 2k's - File emailed

Base Released[/QUOTE]

k=1764 is proven composite by partial algebraic factors. That is a difference of squares on even-n and a factor of 353 on odd-n. Therefore 21 k's remain at n=25K.

S492 is complete to n=50K

2 primes found

31*492^30359+1
10*492^42842+1

Continuing to n=100K

Attached are the results

Dmitry reported the following statuses in a PM on April 19th:

R444 and S444 are at n=90K, continuing to n=100K
S500 is at n=85K, continuing to n=100K

Primes found:
36*444^44313-1
123*444^51913-1
29*500^25213+1

Reservations
 

Reserving S287 & S498 as new to n=25K

S487
 

Sierp Base 487
Conjectured k = 6772
Covering Set = 7, 13, 19, 37, 61
Trivial Factors k == 1 mod 2(2) and k == 2 mod 3(3)

Found Primes: 2191k's - File emailed

Remaining: 63k's - Tested to n=25K - File emailed

Trivial Factor Eliminations: 1129k's

MOB Eliminations: 2k's - File emailed

Base Released