Find the smallest number by which each of the following numbers must be multiplied to obtain a perfect cube: 100

Find the smallest number by which each of the following numbers must be multiplied to obtain a perfect cube: 72

Find the smallest number by which each of the following numbers must be multiplied to obtain a perfect cube: 243

Find the smallest number by which each of the following numbers must be multiplied to obtain a perfect cube:256

Find the smallest number by which each of the following numbers must be multiplied to obtain a perfect cube: 675

Find the smallest numbers by which each of the following numbers must be divided to obtain a perfect cube. 81

Find the smallest numbers by which each of the following numbers must be divided to obtain a perfect cube. 192

Find the smallest numbers by which each of the following numbers must be divided to obtain a perfect cube.128

Find the smallest numbers by which each of the following numbers must be divided to obtain a perfect cube.135

Find the smallest numbers by which each of the following numbers must be divided to obtain a perfect cube. 704

Find the least number which must be subtracted from each of the following numbers so as to get a perfect square.Also,find the square root of the perfect square so obtained: 402