A square of an integer is the integer. Find the integer.

A square of an integer is the integer. Find the integer.

Let the integer be n. The square means we raise n to the power of 2, so we have:
n^2 = n

Subtract n from each side:
n^2 - n = n - n
n^2 - n = 0

Factoring this, we get:
n(n - 1) = 0

So n is either 0 or 1.