It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 237 998 is not a prime number.
For example, 237 998 can be divided by 2: 237 998 / 2 = 118 999.
For 237 998 to be a prime number, it would have been required that 237 998 has only two divisors, i.e., itself and 1.
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237 998 is an even number, because it is evenly divisible by 2: 237 998 / 2 = 118 999.
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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 237 998 is about 487.850.
Thus, the square root of 237 998 is not an integer, and therefore 237 998 is not a square number.
The square of a number (here 237 998) is the result of the product of this number (237 998) by itself (i.e., 237 998 × 237 998); the square of 237 998 is sometimes called "raising 237 998 to the power 2", or "237 998 squared".
The square of 237 998 is 56 643 048 004 because 237 998 × 237 998 = 237 9982 = 56 643 048 004.
As a consequence, 237 998 is the square root of 56 643 048 004.
The multiples of 237 998 are all integers evenly divisible by 237 998, that is all numbers such that the remainder of the division by 237 998 is zero. There are infinitely many multiples of 237 998. The smallest multiples of 237 998 are: