Is Two a Prime Number?

Two is the ONLY EVEN prime number. This is a fact many students
have difficulty with. 'How can it be even and prime?'

Let's have a look at the definitions again :)

A Prime Number...
* can be divided by ITSELF (2) and 1.
  * has only two DISCTINCT factors (2 & 1)
so therefore... has too be prime.

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