It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 27 498 is not a prime number.
For example, 27 498 can be divided by 2: 27 498 / 2 = 13 749.
For 27 498 to be a prime number, it would have been required that 27 498 has only two divisors, i.e., itself and 1.
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27 498 is an even number, because it is evenly divisible by 2: 27 498 / 2 = 13 749.
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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 27 498 is about 165.825.
Thus, the square root of 27 498 is not an integer, and therefore 27 498 is not a square number.
The square of a number (here 27 498) is the result of the product of this number (27 498) by itself (i.e., 27 498 × 27 498); the square of 27 498 is sometimes called "raising 27 498 to the power 2", or "27 498 squared".
The square of 27 498 is 756 140 004 because 27 498 × 27 498 = 27 4982 = 756 140 004.
As a consequence, 27 498 is the square root of 756 140 004.
The multiples of 27 498 are all integers evenly divisible by 27 498, that is all numbers such that the remainder of the division by 27 498 is zero. There are infinitely many multiples of 27 498. The smallest multiples of 27 498 are: