A composite number is a positive integer that has at least one positive divisor other than one and itself, meaning it has more than two distinct positive divisors.
Let's analyze the numbers given:
- 27: This number is composite because it can be factored into \(3 \times 9\) or \(3 \times 3 \times 3\).
- 67: This number is prime because it has no divisors other than 1 and itself.
- 37: This number is also prime because it has no divisors other than 1 and itself.
- 47: This number is also prime as it has no divisors other than 1 and itself.
Thus, the only composite number in your list is 27.
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