It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 130 526 is not a prime number.
For example, 130 526 can be divided by 2: 130 526 / 2 = 65 263.
For 130 526 to be a prime number, it would have been required that 130 526 has only two divisors, i.e., itself and 1.
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130 526 is an even number, because it is evenly divisible by 2: 130 526 / 2 = 65 263.
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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 130 526 is about 361.284.
Thus, the square root of 130 526 is not an integer, and therefore 130 526 is not a square number.
The square of a number (here 130 526) is the result of the product of this number (130 526) by itself (i.e., 130 526 × 130 526); the square of 130 526 is sometimes called "raising 130 526 to the power 2", or "130 526 squared".
The square of 130 526 is 17 037 036 676 because 130 526 × 130 526 = 130 5262 = 17 037 036 676.
As a consequence, 130 526 is the square root of 17 037 036 676.
The multiples of 130 526 are all integers evenly divisible by 130 526, that is all numbers such that the remainder of the division by 130 526 is zero. There are infinitely many multiples of 130 526. The smallest multiples of 130 526 are: