It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 480 424 is not a prime number.
For example, 480 424 can be divided by 2: 480 424 / 2 = 240 212.
For 480 424 to be a prime number, it would have been required that 480 424 has only two divisors, i.e., itself and 1.
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480 424 is an even number, because it is evenly divisible by 2: 480 424 / 2 = 240 212.
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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 480 424 is about 693.126.
Thus, the square root of 480 424 is not an integer, and therefore 480 424 is not a square number.
The square of a number (here 480 424) is the result of the product of this number (480 424) by itself (i.e., 480 424 × 480 424); the square of 480 424 is sometimes called "raising 480 424 to the power 2", or "480 424 squared".
The square of 480 424 is 230 807 219 776 because 480 424 × 480 424 = 480 4242 = 230 807 219 776.
As a consequence, 480 424 is the square root of 230 807 219 776.
The multiples of 480 424 are all integers evenly divisible by 480 424, that is all numbers such that the remainder of the division by 480 424 is zero. There are infinitely many multiples of 480 424. The smallest multiples of 480 424 are: