Q: Is 221 a Prime Number?
A: No, 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 221 can be evenly divided by 1 13 17 and 221, with no remainder.
Since 221 cannot be divided by just 1 and 221, it is not a prime number.