Flappy Mathbird Prime

Help Flappy Mathbird go the distance by avoiding pipes and composite numbers.  You'll need to have Flappy MathBird fly through the Prime Number Clouds to get energy.  If you don't get enough prime numbers or hit too many composite numbers, Flappy won't be able to make it to the end of the level!  Tap and hold to make Flappy go up and release to go down.  If using a mouse, click and hold rather than tap.

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