ifactors Test Problem

[toml_12953]

(09-06-2017 07:10 PM)Tim Wessman Wrote:  

(09-06-2017 07:03 PM)toml_12953 Wrote:  If the length of the ifactors vector returns 2 then there are only two factors, the number itself and 1. That means it's prime.

Are you doing this as a learning exercise? (I'll leave alone the issue with this method to figure prime for someone else)

The is already a function specifically for primes. Quite many in fact under the toolbox->CAS->Integer->Prime menu.

Yes, I was just trying to come up with a function that didn't use the one from the menu. Thanks to all who answered my question!