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 2014-05-16, 07:18 #3 fivemack (loop (#_fork))     Feb 2006 Cambridge, England 22·32·179 Posts For SNFS, my data's not as good; I haven't done as many numbers, and I haven't been so careful in noting which computer I used for the sieving. But: Code: diff lp time/hrs 204.1 29 441.3 208.3 29 767.3 214.9 30 920.7 216.3 30 1031.2 222.0 30 2459.8 (sieved both A and R) 227.7 30 3494.9 233.2 31r30a 5623.6 248.9 31 18034.3 250.4 31/3r 25997.8 (15e) 285.1 33/3r 166625.8 (16e) so I think I concur that 29/30 is somewhere around 210 and 30/31 somewhere around 230, and everything gets a bit more confusing as you consider using 3 large primes, different LP bounds on the two sides, and the larger-range sievers at the 250-digit level. Last fiddled with by fivemack on 2014-05-16 at 07:19