It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 720 719 is not a prime number.
For example, 720 719 can be divided by 31: 720 719 / 31 = 23 249.
For 720 719 to be a prime number, it would have been required that 720 719 has only two divisors, i.e., itself and 1.
Find out more:
720 719 is an odd number, because it is not evenly divisible by 2.
Find out more:
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 720 719 is about 848.952.
Thus, the square root of 720 719 is not an integer, and therefore 720 719 is not a square number.
The square of a number (here 720 719) is the result of the product of this number (720 719) by itself (i.e., 720 719 × 720 719); the square of 720 719 is sometimes called "raising 720 719 to the power 2", or "720 719 squared".
The square of 720 719 is 519 435 876 961 because 720 719 × 720 719 = 720 7192 = 519 435 876 961.
As a consequence, 720 719 is the square root of 519 435 876 961.
The multiples of 720 719 are all integers evenly divisible by 720 719, that is all numbers such that the remainder of the division by 720 719 is zero. There are infinitely many multiples of 720 719. The smallest multiples of 720 719 are: