It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 130 438 is not a prime number.
For example, 130 438 can be divided by 2: 130 438 / 2 = 65 219.
For 130 438 to be a prime number, it would have been required that 130 438 has only two divisors, i.e., itself and 1.
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130 438 is an even number, because it is evenly divisible by 2: 130 438 / 2 = 65 219.
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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 130 438 is about 361.162.
Thus, the square root of 130 438 is not an integer, and therefore 130 438 is not a square number.
The square of a number (here 130 438) is the result of the product of this number (130 438) by itself (i.e., 130 438 × 130 438); the square of 130 438 is sometimes called "raising 130 438 to the power 2", or "130 438 squared".
The square of 130 438 is 17 014 071 844 because 130 438 × 130 438 = 130 4382 = 17 014 071 844.
As a consequence, 130 438 is the square root of 17 014 071 844.
The multiples of 130 438 are all integers evenly divisible by 130 438, that is all numbers such that the remainder of the division by 130 438 is zero. There are infinitely many multiples of 130 438. The smallest multiples of 130 438 are: