It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 490 314 is not a prime number.
For example, 490 314 can be divided by 2: 490 314 / 2 = 245 157.
For 490 314 to be a prime number, it would have been required that 490 314 has only two divisors, i.e., itself and 1.
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490 314 is an even number, because it is evenly divisible by 2: 490 314 / 2 = 245 157.
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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 490 314 is about 700.224.
Thus, the square root of 490 314 is not an integer, and therefore 490 314 is not a square number.
The square of a number (here 490 314) is the result of the product of this number (490 314) by itself (i.e., 490 314 × 490 314); the square of 490 314 is sometimes called "raising 490 314 to the power 2", or "490 314 squared".
The square of 490 314 is 240 407 818 596 because 490 314 × 490 314 = 490 3142 = 240 407 818 596.
As a consequence, 490 314 is the square root of 240 407 818 596.
The multiples of 490 314 are all integers evenly divisible by 490 314, that is all numbers such that the remainder of the division by 490 314 is zero. There are infinitely many multiples of 490 314. The smallest multiples of 490 314 are: