It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 238 488 is not a prime number.
For example, 238 488 can be divided by 2: 238 488 / 2 = 119 244.
For 238 488 to be a prime number, it would have been required that 238 488 has only two divisors, i.e., itself and 1.
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238 488 is an even number, because it is evenly divisible by 2: 238 488 / 2 = 119 244.
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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 238 488 is about 488.352.
Thus, the square root of 238 488 is not an integer, and therefore 238 488 is not a square number.
The square of a number (here 238 488) is the result of the product of this number (238 488) by itself (i.e., 238 488 × 238 488); the square of 238 488 is sometimes called "raising 238 488 to the power 2", or "238 488 squared".
The square of 238 488 is 56 876 526 144 because 238 488 × 238 488 = 238 4882 = 56 876 526 144.
As a consequence, 238 488 is the square root of 56 876 526 144.
The multiples of 238 488 are all integers evenly divisible by 238 488, that is all numbers such that the remainder of the division by 238 488 is zero. There are infinitely many multiples of 238 488. The smallest multiples of 238 488 are: