It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 298 137 is not a prime number.
For example, 298 137 can be divided by 3: 298 137 / 3 = 99 379.
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For 298 137 to be a prime number, it would have been required that 298 137 has only two divisors, i.e., itself and 1.
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298 137 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 298 137 is about 546.019.
Thus, the square root of 298 137 is not an integer, and therefore 298 137 is not a square number.
The square of a number (here 298 137) is the result of the product of this number (298 137) by itself (i.e., 298 137 × 298 137); the square of 298 137 is sometimes called "raising 298 137 to the power 2", or "298 137 squared".
The square of 298 137 is 88 885 670 769 because 298 137 × 298 137 = 298 1372 = 88 885 670 769.
As a consequence, 298 137 is the square root of 88 885 670 769.
The multiples of 298 137 are all integers evenly divisible by 298 137, that is all numbers such that the remainder of the division by 298 137 is zero. There are infinitely many multiples of 298 137. The smallest multiples of 298 137 are: