It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 490 324 982 is not a prime number.
For example, 490 324 982 can be divided by 2: 490 324 982 / 2 = 245 162 491.
For 490 324 982 to be a prime number, it would have been required that 490 324 982 has only two divisors, i.e., itself and 1.
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490 324 982 is an even number, because it is evenly divisible by 2: 490 324 982 / 2 = 245 162 491.
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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 490 324 982 is about 22 143.283.
Thus, the square root of 490 324 982 is not an integer, and therefore 490 324 982 is not a square number.
The square of a number (here 490 324 982) is the result of the product of this number (490 324 982) by itself (i.e., 490 324 982 × 490 324 982); the square of 490 324 982 is sometimes called "raising 490 324 982 to the power 2", or "490 324 982 squared".
The square of 490 324 982 is 240 418 587 973 300 320 because 490 324 982 × 490 324 982 = 490 324 9822 = 240 418 587 973 300 320.
As a consequence, 490 324 982 is the square root of 240 418 587 973 300 320.
490 324 982 is a number with 9 digits.
The multiples of 490 324 982 are all integers evenly divisible by 490 324 982, that is all numbers such that the remainder of the division by 490 324 982 is zero. There are infinitely many multiples of 490 324 982. The smallest multiples of 490 324 982 are: