It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 130 401 is not a prime number.
For example, 130 401 can be divided by 3: 130 401 / 3 = 43 467.
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For 130 401 to be a prime number, it would have been required that 130 401 has only two divisors, i.e., itself and 1.
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130 401 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 130 401 is about 361.111.
Thus, the square root of 130 401 is not an integer, and therefore 130 401 is not a square number.
The square of a number (here 130 401) is the result of the product of this number (130 401) by itself (i.e., 130 401 × 130 401); the square of 130 401 is sometimes called "raising 130 401 to the power 2", or "130 401 squared".
The square of 130 401 is 17 004 420 801 because 130 401 × 130 401 = 130 4012 = 17 004 420 801.
As a consequence, 130 401 is the square root of 17 004 420 801.
The multiples of 130 401 are all integers evenly divisible by 130 401, that is all numbers such that the remainder of the division by 130 401 is zero. There are infinitely many multiples of 130 401. The smallest multiples of 130 401 are: