It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 488 376 is not a prime number.
For example, 488 376 can be divided by 2: 488 376 / 2 = 244 188.
For 488 376 to be a prime number, it would have been required that 488 376 has only two divisors, i.e., itself and 1.
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488 376 is an even number, because it is evenly divisible by 2: 488 376 / 2 = 244 188.
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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 488 376 is about 698.839.
Thus, the square root of 488 376 is not an integer, and therefore 488 376 is not a square number.
The square of a number (here 488 376) is the result of the product of this number (488 376) by itself (i.e., 488 376 × 488 376); the square of 488 376 is sometimes called "raising 488 376 to the power 2", or "488 376 squared".
The square of 488 376 is 238 511 117 376 because 488 376 × 488 376 = 488 3762 = 238 511 117 376.
As a consequence, 488 376 is the square root of 238 511 117 376.
The multiples of 488 376 are all integers evenly divisible by 488 376, that is all numbers such that the remainder of the division by 488 376 is zero. There are infinitely many multiples of 488 376. The smallest multiples of 488 376 are: