It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 709 242 is not a prime number.
For example, 709 242 can be divided by 2: 709 242 / 2 = 354 621.
For 709 242 to be a prime number, it would have been required that 709 242 has only two divisors, i.e., itself and 1.
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709 242 is an even number, because it is evenly divisible by 2: 709 242 / 2 = 354 621.
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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 709 242 is about 842.165.
Thus, the square root of 709 242 is not an integer, and therefore 709 242 is not a square number.
The square of a number (here 709 242) is the result of the product of this number (709 242) by itself (i.e., 709 242 × 709 242); the square of 709 242 is sometimes called "raising 709 242 to the power 2", or "709 242 squared".
The square of 709 242 is 503 024 214 564 because 709 242 × 709 242 = 709 2422 = 503 024 214 564.
As a consequence, 709 242 is the square root of 503 024 214 564.
The multiples of 709 242 are all integers evenly divisible by 709 242, that is all numbers such that the remainder of the division by 709 242 is zero. There are infinitely many multiples of 709 242. The smallest multiples of 709 242 are: