From: "zzak (Zachary Scott)" Date: 2012-11-19T12:40:17+09:00 Subject: [ruby-core:49558] [ruby-trunk - Bug #7395][Open] Negative numbers can't be primes by definition Issue #7395 has been reported by zzak (Zachary Scott). ---------------------------------------- Bug #7395: Negative numbers can't be primes by definition https://bugs.ruby-lang.org/issues/7395 Author: zzak (Zachary Scott) Status: Open Priority: Normal Assignee: yugui (Yuki Sonoda) Category: lib Target version: 2.0.0 ruby -v: 2.0.0 from github: https://github.com/ruby/ruby/pull/187 By definition, a prime number can be a positive integer greater than 1. http://mathworld.wolfram.com/PrimeNumber.html -- http://bugs.ruby-lang.org/