It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 115 137 is not a prime number.
For example, 115 137 can be divided by 3: 115 137 / 3 = 38 379.
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For 115 137 to be a prime number, it would have been required that 115 137 has only two divisors, i.e., itself and 1.
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115 137 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 115 137 is about 339.318.
Thus, the square root of 115 137 is not an integer, and therefore 115 137 is not a square number.
The square of a number (here 115 137) is the result of the product of this number (115 137) by itself (i.e., 115 137 × 115 137); the square of 115 137 is sometimes called "raising 115 137 to the power 2", or "115 137 squared".
The square of 115 137 is 13 256 528 769 because 115 137 × 115 137 = 115 1372 = 13 256 528 769.
As a consequence, 115 137 is the square root of 13 256 528 769.
The multiples of 115 137 are all integers evenly divisible by 115 137, that is all numbers such that the remainder of the division by 115 137 is zero. There are infinitely many multiples of 115 137. The smallest multiples of 115 137 are: