Q: Is 720,579 a Prime Number?
A: No, 720,579 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 720579 can be evenly divided by 1 3 17 51 71 199 213 597 1,207 3,383 3,621 10,149 14,129 42,387 240,193 and 720,579, with no remainder.
Since 720,579 cannot be divided by just 1 and 720,579, it is not a prime number.