HELP!

As this is my first time with a blog, I would love to hear from the community. Any good puzzles or brain teasers are just what's needed. Just toss them into the comment section and we'll see how fast they can be solved.

First Question

Let's start with an easy one to solve in order to get comfortable and get the ball rolling:
Looking at the following sequence of numbers which do you think should come next?
2, 3, 5, 7, 11, 13