It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 130 139 is not a prime number.
For example, 130 139 can be divided by 181: 130 139 / 181 = 719.
For 130 139 to be a prime number, it would have been required that 130 139 has only two divisors, i.e., itself and 1.
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130 139 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 130 139 is about 360.748.
Thus, the square root of 130 139 is not an integer, and therefore 130 139 is not a square number.
The square of a number (here 130 139) is the result of the product of this number (130 139) by itself (i.e., 130 139 × 130 139); the square of 130 139 is sometimes called "raising 130 139 to the power 2", or "130 139 squared".
The square of 130 139 is 16 936 159 321 because 130 139 × 130 139 = 130 1392 = 16 936 159 321.
As a consequence, 130 139 is the square root of 16 936 159 321.
The multiples of 130 139 are all integers evenly divisible by 130 139, that is all numbers such that the remainder of the division by 130 139 is zero. There are infinitely many multiples of 130 139. The smallest multiples of 130 139 are: