It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 489 522 is not a prime number.
For example, 489 522 can be divided by 2: 489 522 / 2 = 244 761.
For 489 522 to be a prime number, it would have been required that 489 522 has only two divisors, i.e., itself and 1.
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489 522 is an even number, because it is evenly divisible by 2: 489 522 / 2 = 244 761.
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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 489 522 is about 699.658.
Thus, the square root of 489 522 is not an integer, and therefore 489 522 is not a square number.
The square of a number (here 489 522) is the result of the product of this number (489 522) by itself (i.e., 489 522 × 489 522); the square of 489 522 is sometimes called "raising 489 522 to the power 2", or "489 522 squared".
The square of 489 522 is 239 631 788 484 because 489 522 × 489 522 = 489 5222 = 239 631 788 484.
As a consequence, 489 522 is the square root of 239 631 788 484.
The multiples of 489 522 are all integers evenly divisible by 489 522, that is all numbers such that the remainder of the division by 489 522 is zero. There are infinitely many multiples of 489 522. The smallest multiples of 489 522 are: