Q: Is 209,555 a Prime Number?
A: No, 209,555 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 209555 can be evenly divided by 1 5 41,911 and 209,555, with no remainder.
Since 209,555 cannot be divided by just 1 and 209,555, it is not a prime number.