It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 130 346 is not a prime number.
For example, 130 346 can be divided by 2: 130 346 / 2 = 65 173.
For 130 346 to be a prime number, it would have been required that 130 346 has only two divisors, i.e., itself and 1.
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130 346 is an even number, because it is evenly divisible by 2: 130 346 / 2 = 65 173.
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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 130 346 is about 361.035.
Thus, the square root of 130 346 is not an integer, and therefore 130 346 is not a square number.
The square of a number (here 130 346) is the result of the product of this number (130 346) by itself (i.e., 130 346 × 130 346); the square of 130 346 is sometimes called "raising 130 346 to the power 2", or "130 346 squared".
The square of 130 346 is 16 990 079 716 because 130 346 × 130 346 = 130 3462 = 16 990 079 716.
As a consequence, 130 346 is the square root of 16 990 079 716.
The multiples of 130 346 are all integers evenly divisible by 130 346, that is all numbers such that the remainder of the division by 130 346 is zero. There are infinitely many multiples of 130 346. The smallest multiples of 130 346 are: