It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 238 474 is not a prime number.
For example, 238 474 can be divided by 2: 238 474 / 2 = 119 237.
For 238 474 to be a prime number, it would have been required that 238 474 has only two divisors, i.e., itself and 1.
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238 474 is an even number, because it is evenly divisible by 2: 238 474 / 2 = 119 237.
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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 238 474 is about 488.338.
Thus, the square root of 238 474 is not an integer, and therefore 238 474 is not a square number.
The square of a number (here 238 474) is the result of the product of this number (238 474) by itself (i.e., 238 474 × 238 474); the square of 238 474 is sometimes called "raising 238 474 to the power 2", or "238 474 squared".
The square of 238 474 is 56 869 848 676 because 238 474 × 238 474 = 238 4742 = 56 869 848 676.
As a consequence, 238 474 is the square root of 56 869 848 676.
The multiples of 238 474 are all integers evenly divisible by 238 474, that is all numbers such that the remainder of the division by 238 474 is zero. There are infinitely many multiples of 238 474. The smallest multiples of 238 474 are: