Find if x-1 is a factor of x raised to power 5+1
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Given a positive integer n, find if it can be expressed as xy where y > 1 and x > 0. x and y both are integers.
Examples :
Input: n = 8
Output: true
8 can be expressed as 23
Input: n = 49
Output: true
49 can be expressed as 72
Input: n = 48
Output: false
48 can't be expressed as xy
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