Q: Is 243,172 a Prime Number?
A: No, 243,172 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 243172 can be evenly divided by 1 2 4 60,793 121,586 and 243,172, with no remainder.
Since 243,172 cannot be divided by just 1 and 243,172, it is not a prime number.