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Old 2010-10-04, 22:45   #12
VBCurtis's Avatar
Feb 2005
Riverside, CA

4,243 Posts

In practice, Henry is quite correct- all of the sieve experiments I have done point to sqrt(k-count) as the speed factor for adding k's. This does vary by weight of each individual k, but overall it has held accurate for sieves from 3 k's to a few dozen k's.

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