It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 488 916 is not a prime number.
For example, 488 916 can be divided by 2: 488 916 / 2 = 244 458.
For 488 916 to be a prime number, it would have been required that 488 916 has only two divisors, i.e., itself and 1.
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488 916 is an even number, because it is evenly divisible by 2: 488 916 / 2 = 244 458.
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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 488 916 is about 699.225.
Thus, the square root of 488 916 is not an integer, and therefore 488 916 is not a square number.
The square of a number (here 488 916) is the result of the product of this number (488 916) by itself (i.e., 488 916 × 488 916); the square of 488 916 is sometimes called "raising 488 916 to the power 2", or "488 916 squared".
The square of 488 916 is 239 038 855 056 because 488 916 × 488 916 = 488 9162 = 239 038 855 056.
As a consequence, 488 916 is the square root of 239 038 855 056.
The multiples of 488 916 are all integers evenly divisible by 488 916, that is all numbers such that the remainder of the division by 488 916 is zero. There are infinitely many multiples of 488 916. The smallest multiples of 488 916 are: