Q: Is 720,523 a Prime Number?
A: No, 720,523 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 720523 can be evenly divided by 1 83 8,681 and 720,523, with no remainder.
Since 720,523 cannot be divided by just 1 and 720,523, it is not a prime number.