Q: Is 843,609 a Prime Number?
A: No, 843,609 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 843609 can be evenly divided by 1 3 13 39 97 223 291 669 1,261 2,899 3,783 8,697 21,631 64,893 281,203 and 843,609, with no remainder.
Since 843,609 cannot be divided by just 1 and 843,609, it is not a prime number.