It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 248 264 is not a prime number.
For example, 248 264 can be divided by 2: 248 264 / 2 = 124 132.
For 248 264 to be a prime number, it would have been required that 248 264 has only two divisors, i.e., itself and 1.
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248 264 is an even number, because it is evenly divisible by 2: 248 264 / 2 = 124 132.
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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 248 264 is about 498.261.
Thus, the square root of 248 264 is not an integer, and therefore 248 264 is not a square number.
The square of a number (here 248 264) is the result of the product of this number (248 264) by itself (i.e., 248 264 × 248 264); the square of 248 264 is sometimes called "raising 248 264 to the power 2", or "248 264 squared".
The square of 248 264 is 61 635 013 696 because 248 264 × 248 264 = 248 2642 = 61 635 013 696.
As a consequence, 248 264 is the square root of 61 635 013 696.
The multiples of 248 264 are all integers evenly divisible by 248 264, that is all numbers such that the remainder of the division by 248 264 is zero. There are infinitely many multiples of 248 264. The smallest multiples of 248 264 are: