Q: Is 243,459 a Prime Number?
A: No, 243,459 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 243459 can be evenly divided by 1 3 9 27 71 127 213 381 639 1,143 1,917 3,429 9,017 27,051 81,153 and 243,459, with no remainder.
Since 243,459 cannot be divided by just 1 and 243,459, it is not a prime number.