Express each of the following as product of powers of their prime factors:
(i) 648             (ii) 405            (iii) 540          (iv) 3,600

Explanation

To express each of the given numbers as a product of powers of their prime factors, we will follow these steps for each number:

### (i) 648

1. **Divide by 2**:
- 648 ÷ 2 = 324
- 324 ÷ 2 = 162
- 162 ÷ 2 = 81
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