It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 238 178 is not a prime number.
For example, 238 178 can be divided by 2: 238 178 / 2 = 119 089.
For 238 178 to be a prime number, it would have been required that 238 178 has only two divisors, i.e., itself and 1.
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238 178 is an even number, because it is evenly divisible by 2: 238 178 / 2 = 119 089.
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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 238 178 is about 488.035.
Thus, the square root of 238 178 is not an integer, and therefore 238 178 is not a square number.
The square of a number (here 238 178) is the result of the product of this number (238 178) by itself (i.e., 238 178 × 238 178); the square of 238 178 is sometimes called "raising 238 178 to the power 2", or "238 178 squared".
The square of 238 178 is 56 728 759 684 because 238 178 × 238 178 = 238 1782 = 56 728 759 684.
As a consequence, 238 178 is the square root of 56 728 759 684.
The multiples of 238 178 are all integers evenly divisible by 238 178, that is all numbers such that the remainder of the division by 238 178 is zero. There are infinitely many multiples of 238 178. The smallest multiples of 238 178 are: