Answer: E. 99
Explanation:
A composite number has more than two factors which means not only including 1 and itself, but at least one other.
factor of 29: 1, 29
factor of 41: 1, 41
factor of 71: 1, 71
factor of 79: 1, 79
factor of 99: 1, 3, 9, 11, 33, 99
Clearly 99 has more than two factors.
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