Given a positive integer n. Find the minimum number which divide n to make it a perfect square.
Input : n = 50 Output : 2 By Dividing n by 2, we get which is a perfect square. Input : n = 6 Output : 6 By Dividing n by 6, we get which is a perfect square. Input : n = 36 Output : 1
A number is perfect square if all prime factors appear even number of times. The idea is to find the prime factor of n and find each prime factor power. Now, find and multiply all the prime factor whose power is odd. The resultant of the multiplication is the answer.
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