Q: Is 243,319 a Prime Number?
A: No, 243,319 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 243319 can be evenly divided by 1 31 47 167 1,457 5,177 7,849 and 243,319, with no remainder.
Since 243,319 cannot be divided by just 1 and 243,319, it is not a prime number.