It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 297 838 is not a prime number.
For example, 297 838 can be divided by 2: 297 838 / 2 = 148 919.
For 297 838 to be a prime number, it would have been required that 297 838 has only two divisors, i.e., itself and 1.
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297 838 is an even number, because it is evenly divisible by 2: 297 838 / 2 = 148 919.
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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 297 838 is about 545.745.
Thus, the square root of 297 838 is not an integer, and therefore 297 838 is not a square number.
The square of a number (here 297 838) is the result of the product of this number (297 838) by itself (i.e., 297 838 × 297 838); the square of 297 838 is sometimes called "raising 297 838 to the power 2", or "297 838 squared".
The square of 297 838 is 88 707 474 244 because 297 838 × 297 838 = 297 8382 = 88 707 474 244.
As a consequence, 297 838 is the square root of 88 707 474 244.
The multiples of 297 838 are all integers evenly divisible by 297 838, that is all numbers such that the remainder of the division by 297 838 is zero. There are infinitely many multiples of 297 838. The smallest multiples of 297 838 are: