It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 240 602 is not a prime number.
For example, 240 602 can be divided by 2: 240 602 / 2 = 120 301.
For 240 602 to be a prime number, it would have been required that 240 602 has only two divisors, i.e., itself and 1.
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240 602 is an even number, because it is evenly divisible by 2: 240 602 / 2 = 120 301.
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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 240 602 is about 490.512.
Thus, the square root of 240 602 is not an integer, and therefore 240 602 is not a square number.
The square of a number (here 240 602) is the result of the product of this number (240 602) by itself (i.e., 240 602 × 240 602); the square of 240 602 is sometimes called "raising 240 602 to the power 2", or "240 602 squared".
The square of 240 602 is 57 889 322 404 because 240 602 × 240 602 = 240 6022 = 57 889 322 404.
As a consequence, 240 602 is the square root of 57 889 322 404.
The multiples of 240 602 are all integers evenly divisible by 240 602, that is all numbers such that the remainder of the division by 240 602 is zero. There are infinitely many multiples of 240 602. The smallest multiples of 240 602 are: