It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 130 558 is not a prime number.
For example, 130 558 can be divided by 2: 130 558 / 2 = 65 279.
For 130 558 to be a prime number, it would have been required that 130 558 has only two divisors, i.e., itself and 1.
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130 558 is an even number, because it is evenly divisible by 2: 130 558 / 2 = 65 279.
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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 130 558 is about 361.328.
Thus, the square root of 130 558 is not an integer, and therefore 130 558 is not a square number.
The square of a number (here 130 558) is the result of the product of this number (130 558) by itself (i.e., 130 558 × 130 558); the square of 130 558 is sometimes called "raising 130 558 to the power 2", or "130 558 squared".
The square of 130 558 is 17 045 391 364 because 130 558 × 130 558 = 130 5582 = 17 045 391 364.
As a consequence, 130 558 is the square root of 17 045 391 364.
The multiples of 130 558 are all integers evenly divisible by 130 558, that is all numbers such that the remainder of the division by 130 558 is zero. There are infinitely many multiples of 130 558. The smallest multiples of 130 558 are: