It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 490 772 is not a prime number.
For example, 490 772 can be divided by 2: 490 772 / 2 = 245 386.
For 490 772 to be a prime number, it would have been required that 490 772 has only two divisors, i.e., itself and 1.
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490 772 is an even number, because it is evenly divisible by 2: 490 772 / 2 = 245 386.
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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 490 772 is about 700.551.
Thus, the square root of 490 772 is not an integer, and therefore 490 772 is not a square number.
The square of a number (here 490 772) is the result of the product of this number (490 772) by itself (i.e., 490 772 × 490 772); the square of 490 772 is sometimes called "raising 490 772 to the power 2", or "490 772 squared".
The square of 490 772 is 240 857 155 984 because 490 772 × 490 772 = 490 7722 = 240 857 155 984.
As a consequence, 490 772 is the square root of 240 857 155 984.
The multiples of 490 772 are all integers evenly divisible by 490 772, that is all numbers such that the remainder of the division by 490 772 is zero. There are infinitely many multiples of 490 772. The smallest multiples of 490 772 are: