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Old 2013-07-30, 17:30   #2
robert44444uk's Avatar
Jun 2003
Suva, Fiji

23×3×5×17 Posts

I think it would be best to take 2,000 n blocks to begin with. For example 500-502.

I am just finishing off 228,000-250,000, and Thomas11 has a little bit to do in his range, and therefore there may be more than 201 primes at 500000.
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