I'm not so sure whether a sieve beats reading them from disk

Yep - a half-decent sieve does beat reading from disk ... unless it's a very short list that you're after.

Cheers,
Rob
Update: Actually ... come to think about it ... a half-decent sieve might beat reading from disk, even if it is a very short list

In reply to Re^3: Math help: Finding Prime Numbers by syphilis
in thread Math help: Finding Prime Numbers by Ovid

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