1268-1272 complete, no primes.

No new reservations for a while...

Larry told me that he completed 1256-1260 and found no primes.

I'm back to k=17 and I'm taking 1272-1276.

Taking 1276-1280.

1276-1280 complete, no primes.

Taking 1280-1284.

Taking 1284-1288.

1272-1276 complete, no primes.

1280-1284 complete, no primes.

1284-1288 complete, no primes.

Taking 1288-1292.

Taking also 1292-1296.

Taking 1296-1300.

Test files starting from n=1.3M, sieved to 30T are now available for download.

Thanks to Dave for sieving in the 22-30T range (383 factors found).

k=17 has been sieved to n=2M. There are 35113 more candidates to test in the 1.3-2M range.