It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 488 274 is not a prime number.
For example, 488 274 can be divided by 2: 488 274 / 2 = 244 137.
For 488 274 to be a prime number, it would have been required that 488 274 has only two divisors, i.e., itself and 1.
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488 274 is an even number, because it is evenly divisible by 2: 488 274 / 2 = 244 137.
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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 488 274 is about 698.766.
Thus, the square root of 488 274 is not an integer, and therefore 488 274 is not a square number.
The square of a number (here 488 274) is the result of the product of this number (488 274) by itself (i.e., 488 274 × 488 274); the square of 488 274 is sometimes called "raising 488 274 to the power 2", or "488 274 squared".
The square of 488 274 is 238 411 499 076 because 488 274 × 488 274 = 488 2742 = 238 411 499 076.
As a consequence, 488 274 is the square root of 238 411 499 076.
The multiples of 488 274 are all integers evenly divisible by 488 274, that is all numbers such that the remainder of the division by 488 274 is zero. There are infinitely many multiples of 488 274. The smallest multiples of 488 274 are: