It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 743 298 is not a prime number.
For example, 743 298 can be divided by 2: 743 298 / 2 = 371 649.
For 743 298 to be a prime number, it would have been required that 743 298 has only two divisors, i.e., itself and 1.
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743 298 is an even number, because it is evenly divisible by 2: 743 298 / 2 = 371 649.
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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 743 298 is about 862.147.
Thus, the square root of 743 298 is not an integer, and therefore 743 298 is not a square number.
The square of a number (here 743 298) is the result of the product of this number (743 298) by itself (i.e., 743 298 × 743 298); the square of 743 298 is sometimes called "raising 743 298 to the power 2", or "743 298 squared".
The square of 743 298 is 552 491 916 804 because 743 298 × 743 298 = 743 2982 = 552 491 916 804.
As a consequence, 743 298 is the square root of 552 491 916 804.
The multiples of 743 298 are all integers evenly divisible by 743 298, that is all numbers such that the remainder of the division by 743 298 is zero. There are infinitely many multiples of 743 298. The smallest multiples of 743 298 are: