It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 748 948 is not a prime number.
For example, 748 948 can be divided by 2: 748 948 / 2 = 374 474.
For 748 948 to be a prime number, it would have been required that 748 948 has only two divisors, i.e., itself and 1.
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748 948 is an even number, because it is evenly divisible by 2: 748 948 / 2 = 374 474.
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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 748 948 is about 865.418.
Thus, the square root of 748 948 is not an integer, and therefore 748 948 is not a square number.
The square of a number (here 748 948) is the result of the product of this number (748 948) by itself (i.e., 748 948 × 748 948); the square of 748 948 is sometimes called "raising 748 948 to the power 2", or "748 948 squared".
The square of 748 948 is 560 923 106 704 because 748 948 × 748 948 = 748 9482 = 560 923 106 704.
As a consequence, 748 948 is the square root of 560 923 106 704.
The multiples of 748 948 are all integers evenly divisible by 748 948, that is all numbers such that the remainder of the division by 748 948 is zero. There are infinitely many multiples of 748 948. The smallest multiples of 748 948 are: