It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 491 295 118 is not a prime number.
For example, 491 295 118 can be divided by 2: 491 295 118 / 2 = 245 647 559.
For 491 295 118 to be a prime number, it would have been required that 491 295 118 has only two divisors, i.e., itself and 1.
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491 295 118 is an even number, because it is evenly divisible by 2: 491 295 118 / 2 = 245 647 559.
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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 491 295 118 is about 22 165.178.
Thus, the square root of 491 295 118 is not an integer, and therefore 491 295 118 is not a square number.
The square of a number (here 491 295 118) is the result of the product of this number (491 295 118) by itself (i.e., 491 295 118 × 491 295 118); the square of 491 295 118 is sometimes called "raising 491 295 118 to the power 2", or "491 295 118 squared".
The square of 491 295 118 is 241 370 892 970 633 920 because 491 295 118 × 491 295 118 = 491 295 1182 = 241 370 892 970 633 920.
As a consequence, 491 295 118 is the square root of 241 370 892 970 633 920.
491 295 118 is a number with 9 digits.
The multiples of 491 295 118 are all integers evenly divisible by 491 295 118, that is all numbers such that the remainder of the division by 491 295 118 is zero. There are infinitely many multiples of 491 295 118. The smallest multiples of 491 295 118 are: