Two tanks contain `504` and `735` litres of milk respectively. Find the maximum capacity of a container which can measure the milk of either tank an exact number of times.

Explanation

To find the maximum capacity of a container that can measure the milk from either tank an exact number of times, we need to determine the greatest common divisor (GCD) of the two quantities of milk, which are 504 liters and 735 liters.

### Step-by-Step Solution:

**Step 1: Find the prime factorization of 504.**
- To factor 504, we can divide it by the smallest prime numbers:
- 504 ÷ 2 = 252
- 252 ÷ 2 = 126
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