It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 508 991 982 is not a prime number.
For example, 508 991 982 can be divided by 2: 508 991 982 / 2 = 254 495 991.
For 508 991 982 to be a prime number, it would have been required that 508 991 982 has only two divisors, i.e., itself and 1.
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508 991 982 is an even number, because it is evenly divisible by 2: 508 991 982 / 2 = 254 495 991.
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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 508 991 982 is about 22 560.851.
Thus, the square root of 508 991 982 is not an integer, and therefore 508 991 982 is not a square number.
The square of a number (here 508 991 982) is the result of the product of this number (508 991 982) by itself (i.e., 508 991 982 × 508 991 982); the square of 508 991 982 is sometimes called "raising 508 991 982 to the power 2", or "508 991 982 squared".
The square of 508 991 982 is 259 072 837 740 288 320 because 508 991 982 × 508 991 982 = 508 991 9822 = 259 072 837 740 288 320.
As a consequence, 508 991 982 is the square root of 259 072 837 740 288 320.
508 991 982 is a number with 9 digits.
The multiples of 508 991 982 are all integers evenly divisible by 508 991 982, that is all numbers such that the remainder of the division by 508 991 982 is zero. There are infinitely many multiples of 508 991 982. The smallest multiples of 508 991 982 are: