Question

Find the smallest number by which 1944 must be divided to get a perfect cube.

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

2(six)

Step-by-step explanation:

There is method called PRIME FACTORISATION METHOD

In this method we have to find factors of the number and group them

Let us do this in steps

Step 1: 1944=2x2x2x3x3x3x3x3

Step 2: 1944=(group them as two in a set)

                   =(2x2)(3x3)(3x3)x3x2

Step 3:Here 2 and 3 are not grouped so we have to divide with 2x3

      So,2x3=6,

        1944 should be divided by 6 then we will get perfect square

lf we will divide then 1944 ÷6=(2x2)(3x3)(3x3)x3x2÷6

                                   then,1944÷6=(2x2)x(3x3)x(3x3)

Take only one number from the Bracket

           square root of 1944÷6=2x3x3

               square root of 324=18

 So,1944 should should be divided by 6

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