Q: Is 720,635 a Prime Number?
A: No, 720,635 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 720635 can be evenly divided by 1 5 101 505 1,427 7,135 144,127 and 720,635, with no remainder.
Since 720,635 cannot be divided by just 1 and 720,635, it is not a prime number.