It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 130 209 is not a prime number.
For example, 130 209 can be divided by 3: 130 209 / 3 = 43 403.
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For 130 209 to be a prime number, it would have been required that 130 209 has only two divisors, i.e., itself and 1.
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130 209 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 130 209 is about 360.845.
Thus, the square root of 130 209 is not an integer, and therefore 130 209 is not a square number.
The square of a number (here 130 209) is the result of the product of this number (130 209) by itself (i.e., 130 209 × 130 209); the square of 130 209 is sometimes called "raising 130 209 to the power 2", or "130 209 squared".
The square of 130 209 is 16 954 383 681 because 130 209 × 130 209 = 130 2092 = 16 954 383 681.
As a consequence, 130 209 is the square root of 16 954 383 681.
The multiples of 130 209 are all integers evenly divisible by 130 209, that is all numbers such that the remainder of the division by 130 209 is zero. There are infinitely many multiples of 130 209. The smallest multiples of 130 209 are: