It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 297 018 is not a prime number.
For example, 297 018 can be divided by 2: 297 018 / 2 = 148 509.
For 297 018 to be a prime number, it would have been required that 297 018 has only two divisors, i.e., itself and 1.
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297 018 is an even number, because it is evenly divisible by 2: 297 018 / 2 = 148 509.
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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 297 018 is about 544.994.
Thus, the square root of 297 018 is not an integer, and therefore 297 018 is not a square number.
The square of a number (here 297 018) is the result of the product of this number (297 018) by itself (i.e., 297 018 × 297 018); the square of 297 018 is sometimes called "raising 297 018 to the power 2", or "297 018 squared".
The square of 297 018 is 88 219 692 324 because 297 018 × 297 018 = 297 0182 = 88 219 692 324.
As a consequence, 297 018 is the square root of 88 219 692 324.
The multiples of 297 018 are all integers evenly divisible by 297 018, that is all numbers such that the remainder of the division by 297 018 is zero. There are infinitely many multiples of 297 018. The smallest multiples of 297 018 are: