Find the least number which when multiplied with 74088 will

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Find the least number which when multiplied with 74088 will make it a perfect square.

1. 42
2. 44
3. 46
4. 48

Correct Option: A

74088 = 2 x 2 x 2 x 3 x 3 x 3 x 7 x 7 x 7
= (2x2) x (3x3) x (7x7) x (2x3x7)
Least number which should be multiplied to 74088 to make it a Perfect square = 2 x 3 x 7 = 42