It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 743 988 is not a prime number.
For example, 743 988 can be divided by 2: 743 988 / 2 = 371 994.
For 743 988 to be a prime number, it would have been required that 743 988 has only two divisors, i.e., itself and 1.
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743 988 is an even number, because it is evenly divisible by 2: 743 988 / 2 = 371 994.
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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 743 988 is about 862.547.
Thus, the square root of 743 988 is not an integer, and therefore 743 988 is not a square number.
The square of a number (here 743 988) is the result of the product of this number (743 988) by itself (i.e., 743 988 × 743 988); the square of 743 988 is sometimes called "raising 743 988 to the power 2", or "743 988 squared".
The square of 743 988 is 553 518 144 144 because 743 988 × 743 988 = 743 9882 = 553 518 144 144.
As a consequence, 743 988 is the square root of 553 518 144 144.
The multiples of 743 988 are all integers evenly divisible by 743 988, that is all numbers such that the remainder of the division by 743 988 is zero. There are infinitely many multiples of 743 988. The smallest multiples of 743 988 are: