It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 130 427 is not a prime number.
For example, 130 427 can be divided by 11: 130 427 / 11 = 11 857.
For 130 427 to be a prime number, it would have been required that 130 427 has only two divisors, i.e., itself and 1.
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130 427 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 130 427 is about 361.147.
Thus, the square root of 130 427 is not an integer, and therefore 130 427 is not a square number.
The square of a number (here 130 427) is the result of the product of this number (130 427) by itself (i.e., 130 427 × 130 427); the square of 130 427 is sometimes called "raising 130 427 to the power 2", or "130 427 squared".
The square of 130 427 is 17 011 202 329 because 130 427 × 130 427 = 130 4272 = 17 011 202 329.
As a consequence, 130 427 is the square root of 17 011 202 329.
The multiples of 130 427 are all integers evenly divisible by 130 427, that is all numbers such that the remainder of the division by 130 427 is zero. There are infinitely many multiples of 130 427. The smallest multiples of 130 427 are: