It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 509 117 372 is not a prime number.
For example, 509 117 372 can be divided by 2: 509 117 372 / 2 = 254 558 686.
For 509 117 372 to be a prime number, it would have been required that 509 117 372 has only two divisors, i.e., itself and 1.
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509 117 372 is an even number, because it is evenly divisible by 2: 509 117 372 / 2 = 254 558 686.
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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 509 117 372 is about 22 563.629.
Thus, the square root of 509 117 372 is not an integer, and therefore 509 117 372 is not a square number.
The square of a number (here 509 117 372) is the result of the product of this number (509 117 372) by itself (i.e., 509 117 372 × 509 117 372); the square of 509 117 372 is sometimes called "raising 509 117 372 to the power 2", or "509 117 372 squared".
The square of 509 117 372 is 259 200 498 472 186 368 because 509 117 372 × 509 117 372 = 509 117 3722 = 259 200 498 472 186 368.
As a consequence, 509 117 372 is the square root of 259 200 498 472 186 368.
509 117 372 is a number with 9 digits.
The multiples of 509 117 372 are all integers evenly divisible by 509 117 372, that is all numbers such that the remainder of the division by 509 117 372 is zero. There are infinitely many multiples of 509 117 372. The smallest multiples of 509 117 372 are: