Q: Is 720,613 a Prime Number?
A: No, 720,613 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 720613 can be evenly divided by 1 17 19 23 97 323 391 437 1,649 1,843 2,231 7,429 31,331 37,927 42,389 and 720,613, with no remainder.
Since 720,613 cannot be divided by just 1 and 720,613, it is not a prime number.