It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 743 616 is not a prime number.
For example, 743 616 can be divided by 2: 743 616 / 2 = 371 808.
For 743 616 to be a prime number, it would have been required that 743 616 has only two divisors, i.e., itself and 1.
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743 616 is an even number, because it is evenly divisible by 2: 743 616 / 2 = 371 808.
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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 743 616 is about 862.332.
Thus, the square root of 743 616 is not an integer, and therefore 743 616 is not a square number.
The square of a number (here 743 616) is the result of the product of this number (743 616) by itself (i.e., 743 616 × 743 616); the square of 743 616 is sometimes called "raising 743 616 to the power 2", or "743 616 squared".
The square of 743 616 is 552 964 755 456 because 743 616 × 743 616 = 743 6162 = 552 964 755 456.
As a consequence, 743 616 is the square root of 552 964 755 456.
The multiples of 743 616 are all integers evenly divisible by 743 616, that is all numbers such that the remainder of the division by 743 616 is zero. There are infinitely many multiples of 743 616. The smallest multiples of 743 616 are: