Let m and n be two positive integers, and Mn > k (k is a positive integer greater than 1), and find the minimum value of M + n

Let m and n be two positive integers, and Mn > k (k is a positive integer greater than 1), and find the minimum value of M + n

Principle: when m * n is fixed, the closer m is to N, the smaller m + n is
For example: when k = 6, M + n is the minimum = 6
When k = 7, M + n is the minimum = 6
When k = 8, M + n is the minimum = 6
When k = 9, M + n is the minimum = 7
When k = 10, M + n is the minimum = 7
When k = 11, M + n is the minimum = 7
When k = 12, M + n is the minimum = 8
When k = 15, M + n is the minimum = 8
When k = 15, M + n is the minimum = 9
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Analysis of the feeling: k points in two cases (x is an integer)
1、 X ^ 2