Q: Is 221,223 a Prime Number?
A: No, 221,223 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 221223 can be evenly divided by 1 3 37 111 1,993 5,979 73,741 and 221,223, with no remainder.
Since 221,223 cannot be divided by just 1 and 221,223, it is not a prime number.