It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 238 498 is not a prime number.
For example, 238 498 can be divided by 2: 238 498 / 2 = 119 249.
For 238 498 to be a prime number, it would have been required that 238 498 has only two divisors, i.e., itself and 1.
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238 498 is an even number, because it is evenly divisible by 2: 238 498 / 2 = 119 249.
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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 238 498 is about 488.363.
Thus, the square root of 238 498 is not an integer, and therefore 238 498 is not a square number.
The square of a number (here 238 498) is the result of the product of this number (238 498) by itself (i.e., 238 498 × 238 498); the square of 238 498 is sometimes called "raising 238 498 to the power 2", or "238 498 squared".
The square of 238 498 is 56 881 296 004 because 238 498 × 238 498 = 238 4982 = 56 881 296 004.
As a consequence, 238 498 is the square root of 56 881 296 004.
The multiples of 238 498 are all integers evenly divisible by 238 498, that is all numbers such that the remainder of the division by 238 498 is zero. There are infinitely many multiples of 238 498. The smallest multiples of 238 498 are: