By what number should each of the following numbers be multiplied to get a perfect square in each case ? Also, find the number whose square is the new number. (i)605(iv)2880

Explanation

To solve the problem of determining by what number each of the given numbers should be multiplied to obtain a perfect square, we will follow a systematic approach. We will analyze the numbers 605 and 2880 one by one.

### Step 1: Factorizing 605
1. Start by finding the prime factors of 605.
- Divide 605 by 5:
\[ 605 \div 5 = 121 \]
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