Q: Is 720,517 a Prime Number?
A: No, 720,517 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 720517 can be evenly divided by 1 7 102,931 and 720,517, with no remainder.
Since 720,517 cannot be divided by just 1 and 720,517, it is not a prime number.