The least number by which 20184 must be multiplied so as

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The least number by which 20184 must be multiplied so as to make the product a perfect square is

1. 2
2. 3
3. 5
4. 6

Correct Option: D

∴ 20184 = 2 × 2 × 2 × 3 × 29 × 29
= 2² × 29² × 2 × 3
∴ For making it a perfect square,
20184 should be multiplied by 2 × 3 = 6
20184 × 6 = 121104;
√121104 = 348