It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 490 129 is not a prime number.
For example, 490 129 can be divided by 29: 490 129 / 29 = 16 901.
For 490 129 to be a prime number, it would have been required that 490 129 has only two divisors, i.e., itself and 1.
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490 129 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 490 129 is about 700.092.
Thus, the square root of 490 129 is not an integer, and therefore 490 129 is not a square number.
The square of a number (here 490 129) is the result of the product of this number (490 129) by itself (i.e., 490 129 × 490 129); the square of 490 129 is sometimes called "raising 490 129 to the power 2", or "490 129 squared".
The square of 490 129 is 240 226 436 641 because 490 129 × 490 129 = 490 1292 = 240 226 436 641.
As a consequence, 490 129 is the square root of 240 226 436 641.
The multiples of 490 129 are all integers evenly divisible by 490 129, that is all numbers such that the remainder of the division by 490 129 is zero. There are infinitely many multiples of 490 129. The smallest multiples of 490 129 are: