It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 489 427 131 is not a prime number.
For example, 489 427 131 can be divided by 3: 489 427 131 / 3 = 163 142 377.
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For 489 427 131 to be a prime number, it would have been required that 489 427 131 has only two divisors, i.e., itself and 1.
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489 427 131 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 489 427 131 is about 22 123.000.
Thus, the square root of 489 427 131 is not an integer, and therefore 489 427 131 is not a square number.
The square of a number (here 489 427 131) is the result of the product of this number (489 427 131) by itself (i.e., 489 427 131 × 489 427 131); the square of 489 427 131 is sometimes called "raising 489 427 131 to the power 2", or "489 427 131 squared".
The square of 489 427 131 is 239 538 916 558 891 168 because 489 427 131 × 489 427 131 = 489 427 1312 = 239 538 916 558 891 168.
As a consequence, 489 427 131 is the square root of 239 538 916 558 891 168.
489 427 131 is a number with 9 digits.
The multiples of 489 427 131 are all integers evenly divisible by 489 427 131, that is all numbers such that the remainder of the division by 489 427 131 is zero. There are infinitely many multiples of 489 427 131. The smallest multiples of 489 427 131 are: