7 is prime and 8 is composite
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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.
it is a composite. Can be divided by 2, 4, 7, 8, 14, 28
composite
7 is prime.
Composite