It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 240 744 is not a prime number.
For example, 240 744 can be divided by 2: 240 744 / 2 = 120 372.
For 240 744 to be a prime number, it would have been required that 240 744 has only two divisors, i.e., itself and 1.
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240 744 is an even number, because it is evenly divisible by 2: 240 744 / 2 = 120 372.
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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 240 744 is about 490.657.
Thus, the square root of 240 744 is not an integer, and therefore 240 744 is not a square number.
The square of a number (here 240 744) is the result of the product of this number (240 744) by itself (i.e., 240 744 × 240 744); the square of 240 744 is sometimes called "raising 240 744 to the power 2", or "240 744 squared".
The square of 240 744 is 57 957 673 536 because 240 744 × 240 744 = 240 7442 = 57 957 673 536.
As a consequence, 240 744 is the square root of 57 957 673 536.
The multiples of 240 744 are all integers evenly divisible by 240 744, that is all numbers such that the remainder of the division by 240 744 is zero. There are infinitely many multiples of 240 744. The smallest multiples of 240 744 are: