It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 130 102 is not a prime number.
For example, 130 102 can be divided by 2: 130 102 / 2 = 65 051.
For 130 102 to be a prime number, it would have been required that 130 102 has only two divisors, i.e., itself and 1.
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130 102 is an even number, because it is evenly divisible by 2: 130 102 / 2 = 65 051.
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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 130 102 is about 360.697.
Thus, the square root of 130 102 is not an integer, and therefore 130 102 is not a square number.
The square of a number (here 130 102) is the result of the product of this number (130 102) by itself (i.e., 130 102 × 130 102); the square of 130 102 is sometimes called "raising 130 102 to the power 2", or "130 102 squared".
The square of 130 102 is 16 926 530 404 because 130 102 × 130 102 = 130 1022 = 16 926 530 404.
As a consequence, 130 102 is the square root of 16 926 530 404.
The multiples of 130 102 are all integers evenly divisible by 130 102, that is all numbers such that the remainder of the division by 130 102 is zero. There are infinitely many multiples of 130 102. The smallest multiples of 130 102 are: