Q: Is 720,513 a Prime Number?
A: No, 720,513 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 720513 can be evenly divided by 1 3 9 223 359 669 1,077 2,007 3,231 80,057 240,171 and 720,513, with no remainder.
Since 720,513 cannot be divided by just 1 and 720,513, it is not a prime number.