It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 748 388 is not a prime number.
For example, 748 388 can be divided by 2: 748 388 / 2 = 374 194.
For 748 388 to be a prime number, it would have been required that 748 388 has only two divisors, i.e., itself and 1.
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748 388 is an even number, because it is evenly divisible by 2: 748 388 / 2 = 374 194.
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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 748 388 is about 865.094.
Thus, the square root of 748 388 is not an integer, and therefore 748 388 is not a square number.
The square of a number (here 748 388) is the result of the product of this number (748 388) by itself (i.e., 748 388 × 748 388); the square of 748 388 is sometimes called "raising 748 388 to the power 2", or "748 388 squared".
The square of 748 388 is 560 084 598 544 because 748 388 × 748 388 = 748 3882 = 560 084 598 544.
As a consequence, 748 388 is the square root of 560 084 598 544.
The multiples of 748 388 are all integers evenly divisible by 748 388, that is all numbers such that the remainder of the division by 748 388 is zero. There are infinitely many multiples of 748 388. The smallest multiples of 748 388 are: