It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 130 397 is not a prime number.
For example, 130 397 can be divided by 19: 130 397 / 19 = 6 863.
For 130 397 to be a prime number, it would have been required that 130 397 has only two divisors, i.e., itself and 1.
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130 397 is an odd number, because it is not evenly divisible by 2.
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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 130 397 is about 361.105.
Thus, the square root of 130 397 is not an integer, and therefore 130 397 is not a square number.
The square of a number (here 130 397) is the result of the product of this number (130 397) by itself (i.e., 130 397 × 130 397); the square of 130 397 is sometimes called "raising 130 397 to the power 2", or "130 397 squared".
The square of 130 397 is 17 003 377 609 because 130 397 × 130 397 = 130 3972 = 17 003 377 609.
As a consequence, 130 397 is the square root of 17 003 377 609.
The multiples of 130 397 are all integers evenly divisible by 130 397, that is all numbers such that the remainder of the division by 130 397 is zero. There are infinitely many multiples of 130 397. The smallest multiples of 130 397 are: