Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
次の数を「素数」または「合成数」に分類する - 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16.

### Response:

'prime', 'prime', 'composite', 'prime', 'composite', 'prime', 'composite', 'prime', 'composite', 'prime', 'composite', 'prime', 'composite', 'prime', 'composite', 'composite'.