521940 will take a few more days - I'm going away from home until late tomorrow. It's given me a bunch of c9x composites, which is why it's taken so long...

528480 and 528498 Done

Reserving 525600

525426, 525480, 525978, 529980 done

Reserving 526602, 526680, 526752, 526932

525444 done

Reserving 526590

Done with 523044 - 106 digits - 2*3*7
Done with 523650 - 114 digits - 2^3*3

I'll reserve:
527352, 527360, 527436, 527640, 527694, 527724

526932 done

526752 done

526590, 526602, 526680, 529956 done

Reserving 526200, 526290, 526554, 526560

Reserving 529032, 529116, 529632, 529950

525600 and 528816 done

Reserving 526008, 526020, 526050, 526152

I've added the 530-535k sequences. We seem to be experiencing something of a speedup, which may be partly due to the arrival of RobertS. (Thanks, Robert! :smile: Just curious, how did you find out about us?) Hopefully this will mean that our ETA ends up in 2009.