It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 130 528 is not a prime number.
For example, 130 528 can be divided by 2: 130 528 / 2 = 65 264.
For 130 528 to be a prime number, it would have been required that 130 528 has only two divisors, i.e., itself and 1.
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130 528 is an even number, because it is evenly divisible by 2: 130 528 / 2 = 65 264.
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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 130 528 is about 361.287.
Thus, the square root of 130 528 is not an integer, and therefore 130 528 is not a square number.
The square of a number (here 130 528) is the result of the product of this number (130 528) by itself (i.e., 130 528 × 130 528); the square of 130 528 is sometimes called "raising 130 528 to the power 2", or "130 528 squared".
The square of 130 528 is 17 037 558 784 because 130 528 × 130 528 = 130 5282 = 17 037 558 784.
As a consequence, 130 528 is the square root of 17 037 558 784.
The multiples of 130 528 are all integers evenly divisible by 130 528, that is all numbers such that the remainder of the division by 130 528 is zero. There are infinitely many multiples of 130 528. The smallest multiples of 130 528 are: