It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 180 243 is not a prime number.
For example, 180 243 can be divided by 3: 180 243 / 3 = 60 081.
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For 180 243 to be a prime number, it would have been required that 180 243 has only two divisors, i.e., itself and 1.
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180 243 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 180 243 is about 424.550.
Thus, the square root of 180 243 is not an integer, and therefore 180 243 is not a square number.
The square of a number (here 180 243) is the result of the product of this number (180 243) by itself (i.e., 180 243 × 180 243); the square of 180 243 is sometimes called "raising 180 243 to the power 2", or "180 243 squared".
The square of 180 243 is 32 487 539 049 because 180 243 × 180 243 = 180 2432 = 32 487 539 049.
As a consequence, 180 243 is the square root of 32 487 539 049.
The multiples of 180 243 are all integers evenly divisible by 180 243, that is all numbers such that the remainder of the division by 180 243 is zero. There are infinitely many multiples of 180 243. The smallest multiples of 180 243 are: