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Find the Least Number by Which 1323 Must Be Multiplied So that the Product is a Perfect Cube. - Mathematics

Sum

Find the least number by which 1323 must be multiplied so that the product is a perfect cube.

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Solution

The prime factor of 1323 are =3 x 3 x 3 x 7 x 7
= (3 x 3 x 3) x 7 x 7
Clearly, 1323 must be multiplied by 7.

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APPEARS IN

Selina Concise Mathematics Class 8 ICSE
Chapter 4 Cubes and Cube Roots
Exercise 4 (A) | Q 7 | Page 48
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