It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 748 402 is not a prime number.
For example, 748 402 can be divided by 2: 748 402 / 2 = 374 201.
For 748 402 to be a prime number, it would have been required that 748 402 has only two divisors, i.e., itself and 1.
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748 402 is an even number, because it is evenly divisible by 2: 748 402 / 2 = 374 201.
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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 748 402 is about 865.102.
Thus, the square root of 748 402 is not an integer, and therefore 748 402 is not a square number.
The square of a number (here 748 402) is the result of the product of this number (748 402) by itself (i.e., 748 402 × 748 402); the square of 748 402 is sometimes called "raising 748 402 to the power 2", or "748 402 squared".
The square of 748 402 is 560 105 553 604 because 748 402 × 748 402 = 748 4022 = 560 105 553 604.
As a consequence, 748 402 is the square root of 560 105 553 604.
The multiples of 748 402 are all integers evenly divisible by 748 402, that is all numbers such that the remainder of the division by 748 402 is zero. There are infinitely many multiples of 748 402. The smallest multiples of 748 402 are: