Q: Is 243,238 a Prime Number?
A: No, 243,238 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 243238 can be evenly divided by 1 2 19 37 38 74 173 346 703 1,406 3,287 6,401 6,574 12,802 121,619 and 243,238, with no remainder.
Since 243,238 cannot be divided by just 1 and 243,238, it is not a prime number.