It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 558 536 is not a prime number.
For example, 558 536 can be divided by 2: 558 536 / 2 = 279 268.
For 558 536 to be a prime number, it would have been required that 558 536 has only two divisors, i.e., itself and 1.
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558 536 is an even number, because it is evenly divisible by 2: 558 536 / 2 = 279 268.
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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 558 536 is about 747.353.
Thus, the square root of 558 536 is not an integer, and therefore 558 536 is not a square number.
The square of a number (here 558 536) is the result of the product of this number (558 536) by itself (i.e., 558 536 × 558 536); the square of 558 536 is sometimes called "raising 558 536 to the power 2", or "558 536 squared".
The square of 558 536 is 311 962 463 296 because 558 536 × 558 536 = 558 5362 = 311 962 463 296.
As a consequence, 558 536 is the square root of 311 962 463 296.
The multiples of 558 536 are all integers evenly divisible by 558 536, that is all numbers such that the remainder of the division by 558 536 is zero. There are infinitely many multiples of 558 536. The smallest multiples of 558 536 are: