From: Charles Nutter Date: 2009-03-04T01:29:32+09:00 Subject: [ruby-core:22650] [Bug #1243] 1 is prime Issue #1243 has been updated by Charles Nutter. The number 1 is not considered prime: http://en.wikipedia.org/wiki/Prime_number#Primality_of_one ---------------------------------------- http://redmine.ruby-lang.org/issues/show/1243 ---------------------------------------- http://redmine.ruby-lang.org