It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 748 938 is not a prime number.
For example, 748 938 can be divided by 2: 748 938 / 2 = 374 469.
For 748 938 to be a prime number, it would have been required that 748 938 has only two divisors, i.e., itself and 1.
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748 938 is an even number, because it is evenly divisible by 2: 748 938 / 2 = 374 469.
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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 748 938 is about 865.412.
Thus, the square root of 748 938 is not an integer, and therefore 748 938 is not a square number.
The square of a number (here 748 938) is the result of the product of this number (748 938) by itself (i.e., 748 938 × 748 938); the square of 748 938 is sometimes called "raising 748 938 to the power 2", or "748 938 squared".
The square of 748 938 is 560 908 127 844 because 748 938 × 748 938 = 748 9382 = 560 908 127 844.
As a consequence, 748 938 is the square root of 560 908 127 844.
The multiples of 748 938 are all integers evenly divisible by 748 938, that is all numbers such that the remainder of the division by 748 938 is zero. There are infinitely many multiples of 748 938. The smallest multiples of 748 938 are: