Khan/khan-exercises — Issue #14453: Probability 1 - the numbers are 1-10, inclusive, how many are prime?
Author: KhanBugz
Created: 2012-02-22 23:52:00+00:00
State: open
Labels: firefox, win7, wrong-or-unclear

Reporter: warlordfred@gmail.com

The status of 1 as a prime number is not satisfactorily established.

[probability_1.html?seed=72&problem=3](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/probability_1.html?seed=72&problem=3&debug)

[Answer timeline](http://sandcastle.khanacademy.org/media/castles/Khan:master/exercises/probability_1.html?seed=72&problem=3&debug&activity=%5B%5D)

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