Q: Is 243,981 a Prime Number?
A: No, 243,981 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 243981 can be evenly divided by 1 3 9 27,109 81,327 and 243,981, with no remainder.
Since 243,981 cannot be divided by just 1 and 243,981, it is not a prime number.