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Old 2021-04-28, 04:20   #11
LaurV
Romulan Interpreter
 
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Jun 2011
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What's the purpose of such a list? You can check the primality of any such small N extremely fast, by doing few divisions (very low TF) and then 1, or 2, or few PRP tests. That is because somebody else already did all the work for you, and such tests at this size take microseconds on a modern computer. That would be much faster than reading from a many-GB-sized file.
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