Q: Is 342,243 a Prime Number?
A: No, 342,243 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 342243 can be evenly divided by 1 3 9 11 33 99 3,457 10,371 31,113 38,027 114,081 and 342,243, with no remainder.
Since 342,243 cannot be divided by just 1 and 342,243, it is not a prime number.