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9 has two square roots: +3 and -3
Every integer larger than 1 has a unique [[prime factorizarion]].
Every integer larger than 1 has a unique [[prime factorizarion]].
Some examples of integers: 1, 10/5, 98058493, -87, -3/3, the square root of 9, and 0.
Some examples of integers: 1, 10/5, 98058493, -87, -3/3, both square roots of 9, and 0.
Likewise, the following numbers are not integers: 5/10, the square root of -9, 8.75, and [[pi]]. However, in larger systems of [[algebraic numbers]], the squareroot of -9 is considered to be an integer, but not a <b>rational integer</b>.
Likewise, the following numbers are not integers: 5/10, the square root of -9, 8.75, and [[pi]]. However, in larger systems of [[algebraic numbers]], the squareroot of -9 is considered to be an integer, but not a <b>rational integer</b>.