Find the smallest number by which 5184 should be multiplied so that the product is a perfect cube .
(give full method )
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Given number is 5184
On prime factorising of 5184, we get
5184=2×2×2×2×2×2×3×3×3×3
After grouping the same kind of prime factors is 3’s, its seen that one factor 3 is left ungroup.
5184=(2×2×2)×(2×2×2)×(3×3×3)×3
So, in order to complete it in 3’s, we must multiply the factors 3×3 i.e. equal to 9.
Thus, the required smallest number that should be multiplied to 5184 so that product is a perfect cube is 9.
And,
The cube root of 5184×9=46656 is
=2×2×3×3=36.
provided by gauthmath
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