It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 130 328 is not a prime number.
For example, 130 328 can be divided by 2: 130 328 / 2 = 65 164.
For 130 328 to be a prime number, it would have been required that 130 328 has only two divisors, i.e., itself and 1.
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130 328 is an even number, because it is evenly divisible by 2: 130 328 / 2 = 65 164.
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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 130 328 is about 361.010.
Thus, the square root of 130 328 is not an integer, and therefore 130 328 is not a square number.
The square of a number (here 130 328) is the result of the product of this number (130 328) by itself (i.e., 130 328 × 130 328); the square of 130 328 is sometimes called "raising 130 328 to the power 2", or "130 328 squared".
The square of 130 328 is 16 985 387 584 because 130 328 × 130 328 = 130 3282 = 16 985 387 584.
As a consequence, 130 328 is the square root of 16 985 387 584.
The multiples of 130 328 are all integers evenly divisible by 130 328, that is all numbers such that the remainder of the division by 130 328 is zero. There are infinitely many multiples of 130 328. The smallest multiples of 130 328 are: