It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 238 464 is not a prime number.
For example, 238 464 can be divided by 2: 238 464 / 2 = 119 232.
For 238 464 to be a prime number, it would have been required that 238 464 has only two divisors, i.e., itself and 1.
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238 464 is an even number, because it is evenly divisible by 2: 238 464 / 2 = 119 232.
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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 238 464 is about 488.328.
Thus, the square root of 238 464 is not an integer, and therefore 238 464 is not a square number.
The square of a number (here 238 464) is the result of the product of this number (238 464) by itself (i.e., 238 464 × 238 464); the square of 238 464 is sometimes called "raising 238 464 to the power 2", or "238 464 squared".
The square of 238 464 is 56 865 079 296 because 238 464 × 238 464 = 238 4642 = 56 865 079 296.
As a consequence, 238 464 is the square root of 56 865 079 296.
The multiples of 238 464 are all integers evenly divisible by 238 464, that is all numbers such that the remainder of the division by 238 464 is zero. There are infinitely many multiples of 238 464. The smallest multiples of 238 464 are: