Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Andrey Tarasevich Newsgroups: comp.lang.c++ Subject: Re: OT: Re: Sieve of Erastosthenes optimized to the max Date: Sat, 28 Sep 2024 15:21:29 -0700 Organization: A noiseless patient Spider Lines: 14 Message-ID: References: <86r0duwqgg.fsf@linuxsc.com> <86o78mpnlf.fsf@linuxsc.com> <86ttibod7n.fsf@linuxsc.com> <86h6eaoi2r.fsf@linuxsc.com> <867celixcw.fsf@linuxsc.com> <86zfr0b9hw.fsf@linuxsc.com> <861q3o5do1.fsf@linuxsc.com> <868qx45v5g.fsf@linuxsc.com> <86r0aojx1m.fsf@linuxsc.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Sun, 29 Sep 2024 00:21:30 +0200 (CEST) Injection-Info: dont-email.me; posting-host="0abc83581b4e71f40a8d5aba138498a3"; logging-data="1506633"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18RJaqCnkFHTezmWHrmLo1i" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:kOQQ8sevtlugHkQFHyo5HjuUIzg= In-Reply-To: Content-Language: en-US Bytes: 2258 On 08/22/24 5:00 PM, red floyd wrote: > You can skip multiples of three, by starting with 7, and then > alternately adding 4 then 2. .... by starting with 5 and then alternately adding 2 then 4, if you want to be follow the general idea of wheel factorization. Or by starting with 7 and then adding cyclically { 4, 2, 4, 2, 4, 6, 2, 6 }. And so forth... -- Best regards, Andrey