: Who said it is a sieve? How could be a mistake then? Its purpose is to illustrate prime numbers. --[[User:Joaquín Martínez|Joaquín Martínez]] 09:22, 24 April 2009 (EDT) | : Who said it is a sieve? How could be a mistake then? Its purpose is to illustrate prime numbers. --[[User:Joaquín Martínez|Joaquín Martínez]] 09:22, 24 April 2009 (EDT) |