Q: Is 221,973 a Prime Number?
A: No, 221,973 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 221973 can be evenly divided by 1 3 23 69 3,217 9,651 73,991 and 221,973, with no remainder.
Since 221,973 cannot be divided by just 1 and 221,973, it is not a prime number.