Q: Is 243,339 a Prime Number?
A: No, 243,339 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 243339 can be evenly divided by 1 3 29 87 2,797 8,391 81,113 and 243,339, with no remainder.
Since 243,339 cannot be divided by just 1 and 243,339, it is not a prime number.