Prime Numbers
Two
is the ONLY EVEN prime number. This is a fact that many students
have difficulty with. 'How can it be even and prime?'
Let's
have a look at the definitions again :)
It
can be divided by ITSELF (2) and 1. It has only two DISCTINCT factors
(2 & 1) so therefore has too be prime.
NB This Prime Number Math Wall Poster has had a rather significant update since I first made it c. 2004. Click on the image above to grab the new one of click the links below for the 'vintage' version hehehe
