It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 240 834 is not a prime number.
For example, 240 834 can be divided by 2: 240 834 / 2 = 120 417.
For 240 834 to be a prime number, it would have been required that 240 834 has only two divisors, i.e., itself and 1.
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240 834 is an even number, because it is evenly divisible by 2: 240 834 / 2 = 120 417.
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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 240 834 is about 490.748.
Thus, the square root of 240 834 is not an integer, and therefore 240 834 is not a square number.
The square of a number (here 240 834) is the result of the product of this number (240 834) by itself (i.e., 240 834 × 240 834); the square of 240 834 is sometimes called "raising 240 834 to the power 2", or "240 834 squared".
The square of 240 834 is 58 001 015 556 because 240 834 × 240 834 = 240 8342 = 58 001 015 556.
As a consequence, 240 834 is the square root of 58 001 015 556.
The multiples of 240 834 are all integers evenly divisible by 240 834, that is all numbers such that the remainder of the division by 240 834 is zero. There are infinitely many multiples of 240 834. The smallest multiples of 240 834 are: