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Old 2017-11-29, 21:58   #2
rudy235's Avatar
Jun 2015
Vallejo, CA/.

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Originally Posted by pinhodecarlos View Post

Anyway, was wondering if we need to double check below 4000e15.
That work was done by Tomás Oliveira e Silva of Aveiro University. While he only double checked randomly 400 x 1015 subranges or 10% of the 4000 x 1015 subranges, he contrasted the number of Primes discovered against the number of primes π(n) obtained by variants of the Meissel-Lehmer algorithm. In all 4000 intervals there was no discrepancy at all.

Last fiddled with by rudy235 on 2017-11-29 at 22:03
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