It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 488 342 is not a prime number.
For example, 488 342 can be divided by 2: 488 342 / 2 = 244 171.
For 488 342 to be a prime number, it would have been required that 488 342 has only two divisors, i.e., itself and 1.
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488 342 is an even number, because it is evenly divisible by 2: 488 342 / 2 = 244 171.
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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 488 342 is about 698.815.
Thus, the square root of 488 342 is not an integer, and therefore 488 342 is not a square number.
The square of a number (here 488 342) is the result of the product of this number (488 342) by itself (i.e., 488 342 × 488 342); the square of 488 342 is sometimes called "raising 488 342 to the power 2", or "488 342 squared".
The square of 488 342 is 238 477 908 964 because 488 342 × 488 342 = 488 3422 = 238 477 908 964.
As a consequence, 488 342 is the square root of 238 477 908 964.
The multiples of 488 342 are all integers evenly divisible by 488 342, that is all numbers such that the remainder of the division by 488 342 is zero. There are infinitely many multiples of 488 342. The smallest multiples of 488 342 are: