Q: Is 221,343 a Prime Number?
A: No, 221,343 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 221343 can be evenly divided by 1 3 89 267 829 2,487 73,781 and 221,343, with no remainder.
Since 221,343 cannot be divided by just 1 and 221,343, it is not a prime number.