It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 272 243 is not a prime number.
For example, 272 243 can be divided by 61: 272 243 / 61 = 4 463.
For 272 243 to be a prime number, it would have been required that 272 243 has only two divisors, i.e., itself and 1.
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272 243 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 272 243 is about 521.769.
Thus, the square root of 272 243 is not an integer, and therefore 272 243 is not a square number.
The square of a number (here 272 243) is the result of the product of this number (272 243) by itself (i.e., 272 243 × 272 243); the square of 272 243 is sometimes called "raising 272 243 to the power 2", or "272 243 squared".
The square of 272 243 is 74 116 251 049 because 272 243 × 272 243 = 272 2432 = 74 116 251 049.
As a consequence, 272 243 is the square root of 74 116 251 049.
The multiples of 272 243 are all integers evenly divisible by 272 243, that is all numbers such that the remainder of the division by 272 243 is zero. There are infinitely many multiples of 272 243. The smallest multiples of 272 243 are: