Composite.
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It is divisible by 17. See: http://www.mathsisfun.com/numbers/prime-factorization-tool.html
13 prime numbers
4, composite. 67, prime.
Prime
1 is special 2 prime 3 prime 4 composite 5 prime 6 composite 7 prime 8 composite 9 composite 10 composite 11 prime 12 composite ext.