It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 240 088 is not a prime number.
For example, 240 088 can be divided by 2: 240 088 / 2 = 120 044.
For 240 088 to be a prime number, it would have been required that 240 088 has only two divisors, i.e., itself and 1.
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240 088 is an even number, because it is evenly divisible by 2: 240 088 / 2 = 120 044.
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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 240 088 is about 489.988.
Thus, the square root of 240 088 is not an integer, and therefore 240 088 is not a square number.
The square of a number (here 240 088) is the result of the product of this number (240 088) by itself (i.e., 240 088 × 240 088); the square of 240 088 is sometimes called "raising 240 088 to the power 2", or "240 088 squared".
The square of 240 088 is 57 642 247 744 because 240 088 × 240 088 = 240 0882 = 57 642 247 744.
As a consequence, 240 088 is the square root of 57 642 247 744.
The multiples of 240 088 are all integers evenly divisible by 240 088, that is all numbers such that the remainder of the division by 240 088 is zero. There are infinitely many multiples of 240 088. The smallest multiples of 240 088 are: