Q: Is 243,839 a Prime Number?
A: Yes, 243,839 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 243839 can be evenly divided by 1 and 243,839, with no remainder.
Since 243,839 can be divided by just 1 and 243,839, it is a prime number.