Q: Is 720,669 a Prime Number?
A: No, 720,669 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 720669 can be evenly divided by 1 3 233 699 1,031 3,093 240,223 and 720,669, with no remainder.
Since 720,669 cannot be divided by just 1 and 720,669, it is not a prime number.