By what least number 25*20*9*12*30 should be multiplied to make it a perfect square number?
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Answer is 2.
25 × 20 × 9 × 12 × 30 = 16,20,000
16,20,000 × 2 = 32,40,000
1800^2 = 32,40,000
therefore 2 is the least number to which we can multiply and get exact perfect square number.
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