It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 709 988 is not a prime number.
For example, 709 988 can be divided by 2: 709 988 / 2 = 354 994.
For 709 988 to be a prime number, it would have been required that 709 988 has only two divisors, i.e., itself and 1.
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709 988 is an even number, because it is evenly divisible by 2: 709 988 / 2 = 354 994.
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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 709 988 is about 842.608.
Thus, the square root of 709 988 is not an integer, and therefore 709 988 is not a square number.
The square of a number (here 709 988) is the result of the product of this number (709 988) by itself (i.e., 709 988 × 709 988); the square of 709 988 is sometimes called "raising 709 988 to the power 2", or "709 988 squared".
The square of 709 988 is 504 082 960 144 because 709 988 × 709 988 = 709 9882 = 504 082 960 144.
As a consequence, 709 988 is the square root of 504 082 960 144.
The multiples of 709 988 are all integers evenly divisible by 709 988, that is all numbers such that the remainder of the division by 709 988 is zero. There are infinitely many multiples of 709 988. The smallest multiples of 709 988 are: