It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 397 712 474 is not a prime number.
For example, 397 712 474 can be divided by 2: 397 712 474 / 2 = 198 856 237.
For 397 712 474 to be a prime number, it would have been required that 397 712 474 has only two divisors, i.e., itself and 1.
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397 712 474 is an even number, because it is evenly divisible by 2: 397 712 474 / 2 = 198 856 237.
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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 397 712 474 is about 19 942.730.
Thus, the square root of 397 712 474 is not an integer, and therefore 397 712 474 is not a square number.
The square of a number (here 397 712 474) is the result of the product of this number (397 712 474) by itself (i.e., 397 712 474 × 397 712 474); the square of 397 712 474 is sometimes called "raising 397 712 474 to the power 2", or "397 712 474 squared".
The square of 397 712 474 is 158 175 211 975 200 672 because 397 712 474 × 397 712 474 = 397 712 4742 = 158 175 211 975 200 672.
As a consequence, 397 712 474 is the square root of 158 175 211 975 200 672.
397 712 474 is a number with 9 digits.
The multiples of 397 712 474 are all integers evenly divisible by 397 712 474, that is all numbers such that the remainder of the division by 397 712 474 is zero. There are infinitely many multiples of 397 712 474. The smallest multiples of 397 712 474 are: