Let’s do this by examples
Finds the smallest number divided to 1125 to get a perfect cube
We see that,
Since 3 does not occur triplets,
we divide by 3 × 3 to make a triplet
So, our number becomes
1125 × 1/ 3 × 1/3 = 3 × 3 × 5 × 5 × 5 × 1/3 × 1/3
= 5 × 5 × 5
Now, it becomes a perfect cube.
So, we divide 1125 by 3 × 3
i.e. 9 to make it a perfect cube
Finds the smallest number divided to 5324 to get a perfect cube.
We see that,
5324 = 2 × 2 × 11 × 11 × 11
Here,
2 does not occur in triplets
So, we divide by 2 × 2 to make triplet
So, our number becomes
5324 × 1/2 × 1/2 = 2 × 2 × 11 × 11 × 11 × 1/2 × 1/2
= 11 × 11 × 11
Now, it becomes a perfect cube.
So, we divide 5324 by 2 × 2
i.e. 4 to make it a perfect cube
Finds the smallest number divided to 968 to get a perfect cube.
We see that,
968 = 2 × 2 × 2 × 11 × 11
Here,
11 does not occur in triplets
So, we divide by 11 × 11 to make triplet
So, our number becomes
968 × 1/11 × 1/ 11 = 2 × 2 × 2 × 11 × 11 × 1/11 × 1/11
= 2 × 2 × 2
Now, it becomes a perfect cube.