It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 397 364 358 is not a prime number.
For example, 397 364 358 can be divided by 2: 397 364 358 / 2 = 198 682 179.
For 397 364 358 to be a prime number, it would have been required that 397 364 358 has only two divisors, i.e., itself and 1.
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397 364 358 is an even number, because it is evenly divisible by 2: 397 364 358 / 2 = 198 682 179.
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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 397 364 358 is about 19 934.000.
Thus, the square root of 397 364 358 is not an integer, and therefore 397 364 358 is not a square number.
The square of a number (here 397 364 358) is the result of the product of this number (397 364 358) by itself (i.e., 397 364 358 × 397 364 358); the square of 397 364 358 is sometimes called "raising 397 364 358 to the power 2", or "397 364 358 squared".
The square of 397 364 358 is 157 898 433 008 752 160 because 397 364 358 × 397 364 358 = 397 364 3582 = 157 898 433 008 752 160.
As a consequence, 397 364 358 is the square root of 157 898 433 008 752 160.
397 364 358 is a number with 9 digits.
The multiples of 397 364 358 are all integers evenly divisible by 397 364 358, that is all numbers such that the remainder of the division by 397 364 358 is zero. There are infinitely many multiples of 397 364 358. The smallest multiples of 397 364 358 are: