It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 112 243 is not a prime number.
For example, 112 243 can be divided by 107: 112 243 / 107 = 1 049.
For 112 243 to be a prime number, it would have been required that 112 243 has only two divisors, i.e., itself and 1.
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112 243 is an odd number, because it is not evenly divisible by 2.
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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 112 243 is about 335.027.
Thus, the square root of 112 243 is not an integer, and therefore 112 243 is not a square number.
The square of a number (here 112 243) is the result of the product of this number (112 243) by itself (i.e., 112 243 × 112 243); the square of 112 243 is sometimes called "raising 112 243 to the power 2", or "112 243 squared".
The square of 112 243 is 12 598 491 049 because 112 243 × 112 243 = 112 2432 = 12 598 491 049.
As a consequence, 112 243 is the square root of 12 598 491 049.
The multiples of 112 243 are all integers evenly divisible by 112 243, that is all numbers such that the remainder of the division by 112 243 is zero. There are infinitely many multiples of 112 243. The smallest multiples of 112 243 are: