It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 240 849 is not a prime number.
For example, 240 849 can be divided by 3: 240 849 / 3 = 80 283.
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For 240 849 to be a prime number, it would have been required that 240 849 has only two divisors, i.e., itself and 1.
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240 849 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 240 849 is about 490.764.
Thus, the square root of 240 849 is not an integer, and therefore 240 849 is not a square number.
The square of a number (here 240 849) is the result of the product of this number (240 849) by itself (i.e., 240 849 × 240 849); the square of 240 849 is sometimes called "raising 240 849 to the power 2", or "240 849 squared".
The square of 240 849 is 58 008 240 801 because 240 849 × 240 849 = 240 8492 = 58 008 240 801.
As a consequence, 240 849 is the square root of 58 008 240 801.
The multiples of 240 849 are all integers evenly divisible by 240 849, that is all numbers such that the remainder of the division by 240 849 is zero. There are infinitely many multiples of 240 849. The smallest multiples of 240 849 are: