It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 298 902 is not a prime number.
For example, 298 902 can be divided by 2: 298 902 / 2 = 149 451.
For 298 902 to be a prime number, it would have been required that 298 902 has only two divisors, i.e., itself and 1.
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298 902 is an even number, because it is evenly divisible by 2: 298 902 / 2 = 149 451.
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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 298 902 is about 546.719.
Thus, the square root of 298 902 is not an integer, and therefore 298 902 is not a square number.
The square of a number (here 298 902) is the result of the product of this number (298 902) by itself (i.e., 298 902 × 298 902); the square of 298 902 is sometimes called "raising 298 902 to the power 2", or "298 902 squared".
The square of 298 902 is 89 342 405 604 because 298 902 × 298 902 = 298 9022 = 89 342 405 604.
As a consequence, 298 902 is the square root of 89 342 405 604.
The multiples of 298 902 are all integers evenly divisible by 298 902, that is all numbers such that the remainder of the division by 298 902 is zero. There are infinitely many multiples of 298 902. The smallest multiples of 298 902 are: