It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 248 316 is not a prime number.
For example, 248 316 can be divided by 2: 248 316 / 2 = 124 158.
For 248 316 to be a prime number, it would have been required that 248 316 has only two divisors, i.e., itself and 1.
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248 316 is an even number, because it is evenly divisible by 2: 248 316 / 2 = 124 158.
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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 248 316 is about 498.313.
Thus, the square root of 248 316 is not an integer, and therefore 248 316 is not a square number.
The square of a number (here 248 316) is the result of the product of this number (248 316) by itself (i.e., 248 316 × 248 316); the square of 248 316 is sometimes called "raising 248 316 to the power 2", or "248 316 squared".
The square of 248 316 is 61 660 835 856 because 248 316 × 248 316 = 248 3162 = 61 660 835 856.
As a consequence, 248 316 is the square root of 61 660 835 856.
The multiples of 248 316 are all integers evenly divisible by 248 316, that is all numbers such that the remainder of the division by 248 316 is zero. There are infinitely many multiples of 248 316. The smallest multiples of 248 316 are: