status report
 

S10 tested till n=1.74M
R10 tested till n=1.51M

S26 Status Report
 

S26 has been checked up from n=500017 to n=560335 and from n=750739 to n=755911 (two halves of the original file run concurrently). I've now split the remaining candidates into 8 total files that will run concurrently until finished.

SR16 reservation:

I'm going to reserve following Riesel base 16 k's:

12587
13380
13703
19772
21555
24987
26378
28967
29885
33023

and following Sierpinski base 16 k's:

2908
6663
10183
17118
24582
30397
35818
40410
42745
44035
53653
57867
60070
64620
65077

25 k's in total, from n=500001 to n=600000.

I'm currently sieving on 1 core on my Sandy Bridge, for n=500001 to n=1500000. As I progresses, the plan is to extent the reservation by 100K n's at a time. Optimal sievedepth is 1092T (70% sievedepth) or 1560T (100% sievedepth) for n=500K to n=1.5M.

It's not possible for me to say for now, how this affects future work on R3, however all current reservations is going to be completed and so is this one. It is my current plan to hunt for a base 16 MegaPrime and to have the base 16 k's that has fallen behind, catch up to those k's tested the most. Sieving will most likely complete during the hot summer months.

status report
 

S10 tested till n=1.76M
R10 tested till n=1.53M

s19 is at about n=158k.

Latest primes:
[CODE]
237096*19^147020+1
183874*19^147815+1
351046*19^149756+1
423154*19^150333+1
539626*19^150354+1
335164*19^151103+1
446536*19^151114+1
436314*19^151193+1
252834*19^151585+1
749356*19^152372+1
623184*19^153769+1
110946*19^157286+1[/CODE]Maybe I have to double check it, because the gap between 153k and 157k seems strange?

status report
 

S10 tested till n=1.78M
R10 tested till n=1.55M

S6 Sieve Update
 

[QUOTE=VBCurtis;417846]I suggest you test-sieve 2M-5M as well; you may be surprised how little the extra 50% range affects speed.[/QUOTE]

I wish I had done that - but I had already begun with 2M-4M.

Status update: the S6 sieve is at p=5.8e13 and continuing.

status report
 

S10 tested till n=1.8M
R10 tested till n=1.58M

status report
 

S10 tested till n=1.82M
R10 tested till n=1.6M

Status SR16
 

SR16 has begun testing. Except from a little gap from p=73.34T to p=75.00T, both sides is sieved to ~84.45T. (The gap will be closed as soon as sieving resumes on my Sandy Bridge).

I'm working on the range n=500001 to n=600000 on both sides. ETA is late this year. I expect 1.2 to 3 primes in this range. (In total 6 primes from n=500001 to n=1M (2.3 Riesel primes and 3.75 Sierpinski primes).

It is still my plan to extent the current reservation by a new range of n=100K as soon as actively reserved range completes. My sieve file will stay from n=500001 to n=1.5M all the way up to p=1.5P is reached.

Reserving R15 to n=100k (50-100k) (5-10M) for BOINC