It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 237 988 is not a prime number.
For example, 237 988 can be divided by 2: 237 988 / 2 = 118 994.
For 237 988 to be a prime number, it would have been required that 237 988 has only two divisors, i.e., itself and 1.
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237 988 is an even number, because it is evenly divisible by 2: 237 988 / 2 = 118 994.
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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 237 988 is about 487.840.
Thus, the square root of 237 988 is not an integer, and therefore 237 988 is not a square number.
The square of a number (here 237 988) is the result of the product of this number (237 988) by itself (i.e., 237 988 × 237 988); the square of 237 988 is sometimes called "raising 237 988 to the power 2", or "237 988 squared".
The square of 237 988 is 56 638 288 144 because 237 988 × 237 988 = 237 9882 = 56 638 288 144.
As a consequence, 237 988 is the square root of 56 638 288 144.
The multiples of 237 988 are all integers evenly divisible by 237 988, that is all numbers such that the remainder of the division by 237 988 is zero. There are infinitely many multiples of 237 988. The smallest multiples of 237 988 are: