It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 237 216 is not a prime number.
For example, 237 216 can be divided by 2: 237 216 / 2 = 118 608.
For 237 216 to be a prime number, it would have been required that 237 216 has only two divisors, i.e., itself and 1.
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237 216 is an even number, because it is evenly divisible by 2: 237 216 / 2 = 118 608.
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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 237 216 is about 487.048.
Thus, the square root of 237 216 is not an integer, and therefore 237 216 is not a square number.
The square of a number (here 237 216) is the result of the product of this number (237 216) by itself (i.e., 237 216 × 237 216); the square of 237 216 is sometimes called "raising 237 216 to the power 2", or "237 216 squared".
The square of 237 216 is 56 271 430 656 because 237 216 × 237 216 = 237 2162 = 56 271 430 656.
As a consequence, 237 216 is the square root of 56 271 430 656.
The multiples of 237 216 are all integers evenly divisible by 237 216, that is all numbers such that the remainder of the division by 237 216 is zero. There are infinitely many multiples of 237 216. The smallest multiples of 237 216 are: