It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 13 023 is not a prime number.
For example, 13 023 can be divided by 3: 13 023 / 3 = 4 341.
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For 13 023 to be a prime number, it would have been required that 13 023 has only two divisors, i.e., itself and 1.
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13 023 is an odd number, because it is not evenly divisible by 2.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 13 023 is about 114.118.
Thus, the square root of 13 023 is not an integer, and therefore 13 023 is not a square number.
The square of a number (here 13 023) is the result of the product of this number (13 023) by itself (i.e., 13 023 × 13 023); the square of 13 023 is sometimes called "raising 13 023 to the power 2", or "13 023 squared".
The square of 13 023 is 169 598 529 because 13 023 × 13 023 = 13 0232 = 169 598 529.
As a consequence, 13 023 is the square root of 169 598 529.
The multiples of 13 023 are all integers evenly divisible by 13 023, that is all numbers such that the remainder of the division by 13 023 is zero. There are infinitely many multiples of 13 023. The smallest multiples of 13 023 are: