It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 238 704 is not a prime number.
For example, 238 704 can be divided by 2: 238 704 / 2 = 119 352.
For 238 704 to be a prime number, it would have been required that 238 704 has only two divisors, i.e., itself and 1.
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238 704 is an even number, because it is evenly divisible by 2: 238 704 / 2 = 119 352.
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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 238 704 is about 488.573.
Thus, the square root of 238 704 is not an integer, and therefore 238 704 is not a square number.
The square of a number (here 238 704) is the result of the product of this number (238 704) by itself (i.e., 238 704 × 238 704); the square of 238 704 is sometimes called "raising 238 704 to the power 2", or "238 704 squared".
The square of 238 704 is 56 979 599 616 because 238 704 × 238 704 = 238 7042 = 56 979 599 616.
As a consequence, 238 704 is the square root of 56 979 599 616.
The multiples of 238 704 are all integers evenly divisible by 238 704, that is all numbers such that the remainder of the division by 238 704 is zero. There are infinitely many multiples of 238 704. The smallest multiples of 238 704 are: