It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 338 488 is not a prime number.
For example, 338 488 can be divided by 2: 338 488 / 2 = 169 244.
For 338 488 to be a prime number, it would have been required that 338 488 has only two divisors, i.e., itself and 1.
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338 488 is an even number, because it is evenly divisible by 2: 338 488 / 2 = 169 244.
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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 338 488 is about 581.797.
Thus, the square root of 338 488 is not an integer, and therefore 338 488 is not a square number.
The square of a number (here 338 488) is the result of the product of this number (338 488) by itself (i.e., 338 488 × 338 488); the square of 338 488 is sometimes called "raising 338 488 to the power 2", or "338 488 squared".
The square of 338 488 is 114 574 126 144 because 338 488 × 338 488 = 338 4882 = 114 574 126 144.
As a consequence, 338 488 is the square root of 114 574 126 144.
The multiples of 338 488 are all integers evenly divisible by 338 488, that is all numbers such that the remainder of the division by 338 488 is zero. There are infinitely many multiples of 338 488. The smallest multiples of 338 488 are: