Question

• Find the smallest number by which each of the following must be multiplied to obtain perfect cube.
1. 243
2. 72

• Find the smallest by which each of the following number must be divided to obtain a perfect cube.
1. 81
2. 128
3. 704​

Answer 1

1. 243=7^3

2. 72=6

1.81=9^2

2.128=5^3

3 704=9