It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 997 418 308 is not a prime number.
For example, 997 418 308 can be divided by 2: 997 418 308 / 2 = 498 709 154.
For 997 418 308 to be a prime number, it would have been required that 997 418 308 has only two divisors, i.e., itself and 1.
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997 418 308 is an even number, because it is evenly divisible by 2: 997 418 308 / 2 = 498 709 154.
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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 997 418 308 is about 31 581.930.
Thus, the square root of 997 418 308 is not an integer, and therefore 997 418 308 is not a square number.
The square of a number (here 997 418 308) is the result of the product of this number (997 418 308) by itself (i.e., 997 418 308 × 997 418 308); the square of 997 418 308 is sometimes called "raising 997 418 308 to the power 2", or "997 418 308 squared".
The square of 997 418 308 is 994 843 281 133 582 848 because 997 418 308 × 997 418 308 = 997 418 3082 = 994 843 281 133 582 848.
As a consequence, 997 418 308 is the square root of 994 843 281 133 582 848.
997 418 308 is a number with 9 digits.
The multiples of 997 418 308 are all integers evenly divisible by 997 418 308, that is all numbers such that the remainder of the division by 997 418 308 is zero. There are infinitely many multiples of 997 418 308. The smallest multiples of 997 418 308 are: