It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 748 392 is not a prime number.
For example, 748 392 can be divided by 2: 748 392 / 2 = 374 196.
For 748 392 to be a prime number, it would have been required that 748 392 has only two divisors, i.e., itself and 1.
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748 392 is an even number, because it is evenly divisible by 2: 748 392 / 2 = 374 196.
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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 748 392 is about 865.097.
Thus, the square root of 748 392 is not an integer, and therefore 748 392 is not a square number.
The square of a number (here 748 392) is the result of the product of this number (748 392) by itself (i.e., 748 392 × 748 392); the square of 748 392 is sometimes called "raising 748 392 to the power 2", or "748 392 squared".
The square of 748 392 is 560 090 585 664 because 748 392 × 748 392 = 748 3922 = 560 090 585 664.
As a consequence, 748 392 is the square root of 560 090 585 664.
The multiples of 748 392 are all integers evenly divisible by 748 392, that is all numbers such that the remainder of the division by 748 392 is zero. There are infinitely many multiples of 748 392. The smallest multiples of 748 392 are: