An army contingent of 616 members is to march behind an army band of 32 members in a parade. The two groups are to march in the same number of columns. What is the maximum number of columns in which they can march ?

Explanation

To solve the problem of finding the maximum number of columns in which an army contingent of 616 members and an army band of 32 members can march, we need to find the greatest common divisor (GCD) of the two numbers. Here’s a step-by-step solution:

### Step 1: Identify the numbers
We have two groups:
- Army contingent: 616 members
- Army band: 32 members

### Step 2: Find the GCD using the Euclidean algorithm
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