It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 748 828 is not a prime number.
For example, 748 828 can be divided by 2: 748 828 / 2 = 374 414.
For 748 828 to be a prime number, it would have been required that 748 828 has only two divisors, i.e., itself and 1.
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748 828 is an even number, because it is evenly divisible by 2: 748 828 / 2 = 374 414.
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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 748 828 is about 865.348.
Thus, the square root of 748 828 is not an integer, and therefore 748 828 is not a square number.
The square of a number (here 748 828) is the result of the product of this number (748 828) by itself (i.e., 748 828 × 748 828); the square of 748 828 is sometimes called "raising 748 828 to the power 2", or "748 828 squared".
The square of 748 828 is 560 743 373 584 because 748 828 × 748 828 = 748 8282 = 560 743 373 584.
As a consequence, 748 828 is the square root of 560 743 373 584.
The multiples of 748 828 are all integers evenly divisible by 748 828, that is all numbers such that the remainder of the division by 748 828 is zero. There are infinitely many multiples of 748 828. The smallest multiples of 748 828 are: