S166
Sierp Base 166
Conjectured k = 140947 Covering Set = 7, 13, 43, 167 Trivial Factors k == 2 mod 3(3) and k == 4 mod 5(5) and k == 10 mod 11 (11) Found Primes: 67855k's  File emailed Remaining k's: 225k's  Tested to n=10K  File emailed Trivial Factor Eliminations: 72609k's MOB Eliminations: 254k's  File emailed GFN's: 166 27556 Base Released 
R217 is complete to n=100K; 1 prime was found for n=50K100K shown below; 6 k's remain; base released.
Prime: 1106*217^909051 
R235 is complete to n=100K; 5 primes were found for n=25K100K shown below; 10 k's remain; base released.
Primes: [code] 3270*235^348021 4032*235^358481 2148*235^500991 30*235^568351 1136*235^836331 [/code] 
Releasing R148 and S148 due to lack of activity and response over 46 months.

will take over R148

[QUOTE=firejuggler;272952]will take over R148[/QUOTE]
Welcome to CRUS firejuggler. If you have any questions about sieving or testing, let us know. Can I ask what range you plan to sieve and test and how many cores can you dedicate to it? 7 k's at n=120K for such a high base is a lot of work. One modern quadcore running all 4 cores 24x7 should be enough but progress will still be slow. 
S249 is complete to n=100K; 2 primes were found for n=50K100K shown below; 8 k's remain; base released.
Primes: 286*249^52498+1 754*249^54387+1 
in the beginning i was planning to do 120200k, on a core 2 duo... upon sieving /llr'ing i'll do it up to 130k only.

ok, back to reality . i won't be able to do this. releasing b148...
find k=1256 sieved up to 1.13e12 and the other k sieved up to 67.5e9 sorry again. (n 120k130k) 
Reserving S166 to n=25K (recommended base). Rough time estimate is 2 weeks.

Reserving S171 and S211 to n=100K.

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