It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 240 938 is not a prime number.
For example, 240 938 can be divided by 2: 240 938 / 2 = 120 469.
For 240 938 to be a prime number, it would have been required that 240 938 has only two divisors, i.e., itself and 1.
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240 938 is an even number, because it is evenly divisible by 2: 240 938 / 2 = 120 469.
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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 240 938 is about 490.854.
Thus, the square root of 240 938 is not an integer, and therefore 240 938 is not a square number.
The square of a number (here 240 938) is the result of the product of this number (240 938) by itself (i.e., 240 938 × 240 938); the square of 240 938 is sometimes called "raising 240 938 to the power 2", or "240 938 squared".
The square of 240 938 is 58 051 119 844 because 240 938 × 240 938 = 240 9382 = 58 051 119 844.
As a consequence, 240 938 is the square root of 58 051 119 844.
The multiples of 240 938 are all integers evenly divisible by 240 938, that is all numbers such that the remainder of the division by 240 938 is zero. There are infinitely many multiples of 240 938. The smallest multiples of 240 938 are: