It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 130 204 is not a prime number.
For example, 130 204 can be divided by 2: 130 204 / 2 = 65 102.
For 130 204 to be a prime number, it would have been required that 130 204 has only two divisors, i.e., itself and 1.
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130 204 is an even number, because it is evenly divisible by 2: 130 204 / 2 = 65 102.
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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 130 204 is about 360.838.
Thus, the square root of 130 204 is not an integer, and therefore 130 204 is not a square number.
The square of a number (here 130 204) is the result of the product of this number (130 204) by itself (i.e., 130 204 × 130 204); the square of 130 204 is sometimes called "raising 130 204 to the power 2", or "130 204 squared".
The square of 130 204 is 16 953 081 616 because 130 204 × 130 204 = 130 2042 = 16 953 081 616.
As a consequence, 130 204 is the square root of 16 953 081 616.
The multiples of 130 204 are all integers evenly divisible by 130 204, that is all numbers such that the remainder of the division by 130 204 is zero. There are infinitely many multiples of 130 204. The smallest multiples of 130 204 are: