Question

4. Which of the following numbers are perfect cubes? In case of perfect cube, find the number whose cube is the given number. (i) 125 (ii) 243 (iii) 343 (iv) 256 (v) 8000 (vi) 9261 (vii) 5324 (viii) 3375 ​

Answer 1

Therefore, 8000 is a perfect cube. As we can see two pairs can be made of the above prime factors, which are 33, and 73. So, 9261 can be expressed as the product of the triplets of 3 and 7, i.e. Therefore, 9261 is a perfect cube.