Q: Is 72,221 a Prime Number?
A: Yes, 72,221 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 72221 can be evenly divided by 1 and 72,221, with no remainder.
Since 72,221 can be divided by just 1 and 72,221, it is a prime number.