Explanation:

Let's determine the divisibility of 5132832 by each option:

- Option 1 (8): A number is divisible by 8 if the last three digits form a number divisible by 8. Here, 832 is divisible by 8 because 832 ÷ 8 = 104.

- Option 2 (6): A number is divisible by 6 if it is divisible by both 2 and 3. The number is divisible by 2 because it ends in 2 (an even number). For 3, sum the digits: 5 + 1 + 3 + 2 + 8 + 3 + 2 = 24, which is divisible by 3. Therefore, it is divisible by 6.

- Option 3 (7): For divisibility by 7, one method is to double the last digit, subtract it from the rest of the number, and see if the result is divisible by 7. This process doesn't yield a result divisible by 7 for 5132832.

- Option 4 (9): A number is divisible by 9 if the sum of its digits is divisible by 9. The sum, 24, is not divisible by 9.