It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 489 077 is not a prime number.
For example, 489 077 can be divided by 127: 489 077 / 127 = 3 851.
For 489 077 to be a prime number, it would have been required that 489 077 has only two divisors, i.e., itself and 1.
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489 077 is an odd number, because it is not evenly divisible by 2.
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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 489 077 is about 699.340.
Thus, the square root of 489 077 is not an integer, and therefore 489 077 is not a square number.
The square of a number (here 489 077) is the result of the product of this number (489 077) by itself (i.e., 489 077 × 489 077); the square of 489 077 is sometimes called "raising 489 077 to the power 2", or "489 077 squared".
The square of 489 077 is 239 196 311 929 because 489 077 × 489 077 = 489 0772 = 239 196 311 929.
As a consequence, 489 077 is the square root of 239 196 311 929.
The multiples of 489 077 are all integers evenly divisible by 489 077, that is all numbers such that the remainder of the division by 489 077 is zero. There are infinitely many multiples of 489 077. The smallest multiples of 489 077 are: