Q: Is 221,993 a Prime Number?
A: No, 221,993 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 221993 can be evenly divided by 1 73 3,041 and 221,993, with no remainder.
Since 221,993 cannot be divided by just 1 and 221,993, it is not a prime number.