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Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Lawrence D'Oliveiro <ldo@nz.invalid> Newsgroups: comp.lang.c Subject: Re: More complex numbers than reals? Date: Thu, 11 Jul 2024 01:59:20 -0000 (UTC) Organization: A noiseless patient Spider Lines: 13 Message-ID: <v6ne9n$2917a$1@dont-email.me> References: <v6hohq$11nib$1@dont-email.me> <20240708192054.569@kylheku.com> <v6n2o7$22opo$12@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Thu, 11 Jul 2024 03:59:20 +0200 (CEST) Injection-Info: dont-email.me; posting-host="ead23d2d8cf5f779654345cfcdaaae64"; logging-data="2393322"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18uH97TnpTQ0tEe4gs7uNNl" User-Agent: Pan/0.158 (Avdiivka; ) Cancel-Lock: sha1:Ln0MF+SGDdVQWeKlg6sRxJa0qU8= Bytes: 1334 On Wed, 10 Jul 2024 15:42:14 -0700, Chris M. Thomasson wrote: >> Integer complex numbers ... Another fun thing about integer complex numbers is that some numbers that are primes if you stay on the real line, become non-prime if complex integer factors are allowed. E.g. 5 = (2 + i)(2 - i) 29 = (5 + 2i)(5 - 2i) 101 = (10 + i)(10 - i)