Q: Is 243,211 a Prime Number?
A: No, 243,211 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 243211 can be evenly divided by 1 107 2,273 and 243,211, with no remainder.
Since 243,211 cannot be divided by just 1 and 243,211, it is not a prime number.