Q: Is 356,809 a Prime Number?
A: No, 356,809 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 356809 can be evenly divided by 1 509 701 and 356,809, with no remainder.
Since 356,809 cannot be divided by just 1 and 356,809, it is not a prime number.