Q: Is 243,647 a Prime Number?
A: Yes, 243,647 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 243647 can be evenly divided by 1 and 243,647, with no remainder.
Since 243,647 can be divided by just 1 and 243,647, it is a prime number.