Q: Is 220,221 a Prime Number?
A: No, 220,221 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 220221 can be evenly divided by 1 3 9 24,469 73,407 and 220,221, with no remainder.
Since 220,221 cannot be divided by just 1 and 220,221, it is not a prime number.