Q: Is 726,563 a Prime Number?
A: No, 726,563 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 726563 can be evenly divided by 1 17 79 541 1,343 9,197 42,739 and 726,563, with no remainder.
Since 726,563 cannot be divided by just 1 and 726,563, it is not a prime number.