It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 709 671 is not a prime number.
For example, 709 671 can be divided by 3: 709 671 / 3 = 236 557.
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For 709 671 to be a prime number, it would have been required that 709 671 has only two divisors, i.e., itself and 1.
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709 671 is an odd number, because it is not evenly divisible by 2.
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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 709 671 is about 842.420.
Thus, the square root of 709 671 is not an integer, and therefore 709 671 is not a square number.
The square of a number (here 709 671) is the result of the product of this number (709 671) by itself (i.e., 709 671 × 709 671); the square of 709 671 is sometimes called "raising 709 671 to the power 2", or "709 671 squared".
The square of 709 671 is 503 632 928 241 because 709 671 × 709 671 = 709 6712 = 503 632 928 241.
As a consequence, 709 671 is the square root of 503 632 928 241.
The multiples of 709 671 are all integers evenly divisible by 709 671, that is all numbers such that the remainder of the division by 709 671 is zero. There are infinitely many multiples of 709 671. The smallest multiples of 709 671 are: