Q: Is 221,371 a Prime Number?
A: No, 221,371 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 221371 can be evenly divided by 1 31 37 193 1,147 5,983 7,141 and 221,371, with no remainder.
Since 221,371 cannot be divided by just 1 and 221,371, it is not a prime number.